Instruction/ maintenance manual of the product TI-89 Texas Instruments
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00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page i of 16 TI-89 TI-92 Plus Guidebook for Advanced Mathematics Software Version 2.
00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page ii of 16 Texas Instruments makes no warranty, either expressed or implied.
00_89IFC.DOC TI-89/TI-92 Plus: Inside Front Cover (En g lish) Susan Gullord Revised: 02/23/01 9:44 AM Printed: 02/23/01 2:10 PM Pa g e 1 of 1 General ¥O List of Flash applications 2a Toggle between l.
00_92IBC.DOC TI-89/92 Plus: Inside Back Cover (En g lish) Susan Gullord Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Pa g e 1 of 1 General ¥ O List of Flash applications 2a Toggle between las.
iii 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page iii of 16 Flash Applications ...................................................................................... x Keystroke Differences .
iv 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page iv of 16 Preview of Symbolic Manipulation ........................................................ 58 Using Undefined or Defined Variables .
v 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page v of 16 Preview of Polar Graphing .................................................................... 134 Overview of Steps in Graphing Polar Equations.
vi 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page vi of 16 Preview of Additional Graphing Topics .............................................. 202 Collecting Data Points from a Graph.
vii 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page vii of 16 Preview of Programming....................................................................... 276 Running an Existing Program .
viii 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page viii of 16 Preview of Memory and Variable Management ................................. 350 Checking and Resetting Memory .
ix 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page ix of 16 TI - 89 / TI - 92 Plus Error Messages ....................................................... 542 Modes ........
x Flash Applications Flash functionality enables the ability to download different applications to a TI - 89 / TI - 92 Plus calculator from the enclosed CD-ROM, the TI web site, or from another calculator.
xi 00_front.doc TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 01/18/02 2:39 PM Printed: 01/18/02 2:42 PM Page xi o f 16 Do not attempt to transfer an application if a low-battery message appears on either the receiving or sending calculator.
xii 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page xii of 16 Keystr oke Differ ences There are certain differences in keystrokes using the TI - 89 / TI - 92 Plus for various operations.
xiii 00_FRONT.DOC TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 02/23/01 10:37 AM Printed: 02/23/01 2:10 P M Page xiii of 16 FUNCTION ³ TI-89 › TI-92 Plus SYMBOLS ú (Conversion t.
xiv What’s New? TI developed the Advanced Mathematics Software Version 2.0 to enable downloadable calculator software applications for the TI - 89 and TI - 92 Plus . For details, refer to: Chapter 21 and 22 Advanced Mathematics Software Version 2.0 is an infrastructure enhancement of the current Advanced Mathematics Software Version 1.
xv 00_front.doc TI-89/TI-92 Plus: Front Matter (English) Bob Fedorisko Revised: 01/18/02 2:39 PM Printed: 01/18/02 2:42 PM Page xv o f 16 The TI - 89 / TI - 92 Plus uses Flash technology, which lets you upgrade future software versions without buying a new calculator.
Chapter 1: Getting Started 1 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 1 of 12 Chapter 1: Getting Star ted Getting the TI . 89 Ready to Use .......................
2 Chapter 1: Getting Started 01START.DOC TI-89/TI-92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 P M Page 2 of 12 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 2 of 12 To install the four AAA batteries: 1.
Chapter 1: Getting Started 3 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 3 of 12 To install the four AA alkaline batteries: 1.
4 Chapter 1: Getting Started 01START.DOC TI-89/TI-92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 P M Page 4 of 12 01START DOC TI - 89/TI - 92Plus:Gett.
Chapter 1: Getting Started 5 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 5 of 12 1. Press the cursor keys ( D or C ) to move the pointer to the language in which you would like to set your TI - 89 / TI - 92 Plus .
6 Chapter 1: Getting Started 01START.DOC TI-89/TI-92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 P M Page 6 of 12 01START DOC TI - 89/TI - 92Plus:Gett.
Chapter 1: Getting Started 7 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 7 of 12 The following example shows an answer that is not on the same line as the expression.
8 Chapter 1: Getting Started 01START.DOC TI-89/TI-92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 P M Page 8 of 12 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 8 of 12 Steps ³ TI .
Chapter 1: Getting Started 9 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 9 of 12 Steps ³ TI . 89 Keystrokes › TI . 92 Plus Keystrokes Display Expanding Expressions 1.
10 Chapter 1: Getting Started 01START.DOC TI-89/TI-92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 P M Page 10 of 12 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 10 of 12 Steps ³ TI .
Chapter 1: Getting Started 11 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 11 of 12 Steps ³ TI . 89 Keystrokes › TI . 92 Plus Keystrokes Display 1. Display the Y= Editor.
12 Chapter 1: Getting Started 01START.DOC TI-89/TI-92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 P M Page 12 of 12 01START DOC TI - 89/TI - 92Plus:Getting Started (English) Bob Fedorisko Revised: 02/23/01 10:47 AM Printed: 02/23/01 2:10 PM Page 12 of 12 Steps ³ TI .
Chapter 2: Operating the Calculator 13 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 13 of 44 Chapter 2: Operating the Calculator Turning the TI .
14 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 14 of 44 Press ´ . ¦ If you turned the unit off by pressing 2® , the TI - 89 / TI - 92 Plus returns to the Home screen.
Chapter 2: Operating the Calculator 15 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 15 of 44 You can adjust the display contrast to suit your viewing angle and lighting conditions.
16 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 16 of 44 To move the cursor in a particular direction, press the appropriate cursor key ( A , B , C , or D ).
Chapter 2: Operating the Calculator 17 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 17 of 44 The keyboard is divided into several areas of related keys.
18 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 18 of 44 Modifier Description 2 (second) Accesses the second function of the next key you press.
Chapter 2: Operating the Calculator 19 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 19 of 44 S.
20 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 20 of 44 Key Description TI . 89: Í TI . 92 Plus: 2 Í Enters the “with” operator, which is used in symbolic calculations (Chapter 3).
Chapter 2: Operating the Calculator 21 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 21 of 44 The letters x, y, z, and t are commonly used in algebraic expressions.
22 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 22 of 44 O.
Chapter 2: Operating the Calculator 23 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 23 of 44 When you turn on the TI - 89 / TI - 92 Plus after it has been turned off with 2 ® , th e display always shows the Hom e screen.
24 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 24 of 44 Normally, the cursor is in the entry line. However, you can move the cursor into the history area.
Chapter 2: Operating the Calculator 25 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 25 of 44 1. Press the negation key · . (Do not use the subtraction key | .
26 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 26 of 44 Expression Consists of numbers, variables, operators, functions, and their arguments that evaluate to a single answer.
Chapter 2: Operating the Calculator 27 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 27 of 44 Expressions are evaluated according to the Equation Operating System (EOS é ) hierarchy described in Appendix B.
28 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 28 of 44 In the history area, if both the entry and its answer cannot be displayed on one line, the answer is displayed on the next line.
Chapter 2: Operating the Calculator 29 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 29 of 44 By default, Pretty Print = ON . Exponents, roots, fractions, etc.
30 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 30 of 44 APPROXIMATE — All numeric results, where possible, are displayed in floating-point (decimal) form.
Chapter 2: Operating the Calculator 31 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 31 of 44 By default, Display Digits = FLOAT 6 , which means that results are rounded to a maximum of six digits.
32 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 32 of 44 After you press ¸ to evaluate an expression, the TI - 89 / TI - 92 Plus leaves that expression on the entry line and highlights it.
Chapter 2: Operating the Calculator 33 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 33 of 44 The TI - 89 / TI - 92 Plus has both an insert and an overtype mode.
34 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 34 of 44 Press: To display: ƒ , „ , etc. A toolbar menu — Drops down from the toolbar at the top of most application screens.
Chapter 2: Operating the Calculator 35 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 35 of 44 If you select a menu item ending with ú , a submenu is displayed.
36 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 36 of 44 To move from one toolbar menu to another without making a selection, either: ¦ Press the key ( ƒ , „ , etc.
Chapter 2: Operating the Calculator 37 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 37 of 44 When you turn on the custom menu, it replaces the normal toolbar menu.
38 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 38 of 44 1. Press O to display a menu that lists the applications.
Chapter 2: Operating the Calculator 39 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 39 of 44 TI-89 HOME APPS F1 F2 F3 F4 F5 WINDOW GRAPH T BLSet TABLE Y= You can access commonly used applications from the keyboard.
40 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 40 of 44 Press 3 to display the MODE dialog box, which lists the modes and their current settings.
Chapter 2: Operating the Calculator 41 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 41 of 44 Mode Description Graph Type of graphs to plot: FUNCTION , PARAMETRIC , POLAR , SEQUENCE , 3D , or DE .
42 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 42 of 44 Mode Description Base Lets you perform calc ulations by entering numbe rs in decimal (DEC) , hexadecimal (HEX) , or binary (BIN) form.
Chapter 2: Operating the Calculator 43 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 43 of 44 From the Home screen, display the Clean Up menu by pressing: TI .
44 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 44 of 44 To display the CATALOG dialog box, press: TI . 89: ½ TI .
Chapter 2: Operating the Calculator 45 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 45 of 44 3. Move the ú indicator to the command, and press ¸ .
46 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 46 of 44 3. Move the ú indicator to the function, and press ¸ .
Chapter 2: Operating the Calculator 47 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 47 of 44 A variable name: ¦ Can use 1 to 8 characters consisting of letters and digits.
48 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 48 of 44 1. Enter the value you want to store, which can be an expression.
Chapter 2: Operating the Calculator 49 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 49 of 44 When you press ¸ to evaluate an expression, the TI - 89 / TI - 92 Plus leaves that expression on the entry line and highlights it.
50 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 50 of 44 Using the equation A= p r 2 , use trial and error to find the radius of a circle that covers 200 square centimeters.
Chapter 2: Operating the Calculator 51 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 51 of 44 Each time you evaluate an expression, the TI - 89 / TI - 92 Plus stores the answer to the variable ans(1) .
52 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 52 of 44 The effect of using auto-paste is similar to 2² and 2± as described in the previous section, but there are differences.
Chapter 2: Operating the Calculator 53 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 53 of 44 Indicator Meaning Current Folder Shows the name of the current folder.
54 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 54 of 44 Indicator Meaning Exact/ A pprox Mode Shows how answers are calculated and displayed.
Chapter 2: Operating the Calculator 55 02OPER DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 55 of 44 From the Home screen, press ƒ and then select A:About .
56 Chapter 2: Operating the Calculator 02OPER.DOC TI - 89/TI - 92 Plus: O p erating the TI - 89/TI - 92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 56 of 44.
Chapter 3: Symbolic Manipulation 57 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 57 of 24 Chapter 3: Symbolic Manipulation Preview of Symbolic Manipulation ....
58 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 58 of 24 Steps ³ TI . 89 Keystrokes › TI . 92 Plus Keystrokes Display 1. Display the Home screen and clear the entry line.
Chapter 3: Symbolic Manipulation 59 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 59 of 24 When you enter an expression that contains a variable, the TI - 89 / TI - 92 Plus treats the variable in one of two ways.
60 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 60 of 24 You can “undefine” a defined variable by deleting it. To delete: Do this: One or more specified v ariables Use the DelVar function.
Chapter 3: Symbolic Manipulation 61 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 61 of 24 When Exact/Approx = EXACT , the TI - 89 / TI - 92 Plus uses exact rational arithmetic with up to 614 digits in the numerator and 614 digits in the denominator.
62 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 62 of 24 When Exact/Approx = APPROXIMATE , the TI - 89 / TI - 92 Plus converts rational numbers and irrational constants to floating-point.
Chapter 3: Symbolic Manipulation 63 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 63 of 24 When Exact/Approx = AUTO , the TI - 89 / TI - 92 Plus uses exact rational arithmetic wherever all of the operands are rational numbers.
64 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 64 of 24 All of the following rules are applied automatically. You do not see intermediate results.
Chapter 3: Symbolic Manipulation 65 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 65 of 24 ¦ Identities involving zeros and ones are exploited. ¦ Polynomial greatest common divisors are canceled.
66 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 66 of 24 Functions that use delayed simplification have a required var argument that performs the function with respect to a variable.
Chapter 3: Symbolic Manipulation 67 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 67 of 24 To type the “with” operator ( | ), press: TI .
68 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 68 of 24 ¦ Substitution occurs only where there is an exact match for the substitution.
Chapter 3: Symbolic Manipulation 69 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 69 of 24 Many identities and transformations are valid for only a particular domain.
70 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 70 of 24 From the Home screen, press „ to display: This menu is also available from the MATH menu.
Chapter 3: Symbolic Manipulation 71 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 71 of 24 Menu Item Description Trig Displays the submenu: tExpand Expands trig expressions with angle sums and multiple angles.
72 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 72 of 24 You can add or divide polynomials directly, without using a special function.
Chapter 3: Symbolic Manipulation 73 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 73 of 24 Use the solve ( „ 1 ) function to solve an equation for a specified variable.
74 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 74 of 24 Use the zeros ( „ 4 ) function. zeros ( expression , var ) Use the expression x ù sin(x) + cos(x) .
Chapter 3: Symbolic Manipulation 75 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 75 of 24 From the Home screen, press … to display: This menu is also available from the MATH menu.
76 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 76 of 24 Use the ‰ integrate ( … 2 ) and d differentiate ( … 1 ) functions.
Chapter 3: Symbolic Manipulation 77 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 77 of 24 Refer to: ¦ “Creating and Evaluating User-Defined Functions” in Chapter 5.
78 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 78 of 24 Multi-statement user-defined functions should be used as an argument for numeric functions (such as nDeriv and nInt ) only.
Chapter 3: Symbolic Manipulation 79 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 79 of 24 ¦ Delete unneeded variables and/or Flash applications, particularly large-sized ones.
80 Chapter 3: Symbolic Manipulation 03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/ 01 2:12 PM Page 80 of 24 These indicate the result of an identity or a Boolean expression. This notation indicates an “arbitrary integer” that represents any integer.
Chapter 4: Co n st a nt s a nd M ea s u re m en t U ni t s 81 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 81 of 12 Chapter 4: Constants and Measur ement Units Preview of Constants and Measurement Units .
82 Chapter 4: C on s ta n t s a n d M e a su r em e n t U n it s 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 82 of 12 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 1.
Chapter 4: Co n st a nt s a nd M ea s u re m en t U ni t s 83 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 83 of 12 The following shows how to select a unit, but you can use the same general procedure to select a constant.
84 Chapter 4: C on s ta n t s a n d M e a su r em e n t U n it s 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 84 of 12 You may need to combine two or more units from different categories.
Chapter 4: Co n st a nt s a nd M ea s u re m en t U ni t s 85 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM P.
86 Chapter 4: C on s ta n t s a n d M e a su r em e n t U n it s 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 P.
Chapter 4: Co n st a nt s a nd M ea s u re m en t U ni t s 87 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 87 of 12 The SI and ENG/US systems of measurement (set from Page 3 of the MODE screen) use built- in default units, which you cannot change.
88 Chapter 4: C on s ta n t s a n d M e a su r em e n t U n it s 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 88 of 12 Some example reasons to create a unit are: ¦ You want to enter length values in dekameters.
Chapter 4: Co n st a nt s a nd M ea s u re m en t U ni t s 89 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 89 of 12 The SI and ENG/US systems of measurement use built-in default units.
90 Chapter 4: C on s ta n t s a n d M e a su r em e n t U n it s 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 90 of 12 _cup ........ cup _floz ........ fluid ounce _flozUK .
Chapter 4: Co n st a nt s a nd M ea s u re m en t U ni t s 91 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 PM Page 91 of 12 _atm ........ atmosphere _bar.........
92 Chapter 4: C on s ta n t s a n d M e a su r em e n t U n it s 04UNITS DOC TI - 89/92Plus: Constants and Measurement Units (English) Susan Gullord Revised: 02/23/01 10:54 AM Printed: 02/23/01 2:12 P.
Chapter 5: Additional Home Screen Topics 93 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 93 of Chapter 5: Additional Home Scr een T opics Saving the Home Screen Entries as a Text Editor Script .
94 Chapter 5: Additional Home Screen Topics 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 94 of From the Home screen: 1. Press ƒ and select 2:Save Copy As .
Chapter 5: Additional Home Screen Topics 95 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 95 of Auto-paste, described in Chapter 2, is a quick way to copy an entry or answer in the history area and paste it to the entry line.
96 Chapter 5: Additional Home Screen Topics 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 96 of A paste operation inserts the contents of the clipboard at the current cursor location on the entry line.
Chapter 5: Additional Home Screen Topics 97 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 97 of The following examples show user-defined functions with one argument and two arguments.
98 Chapter 5: Additional Home Screen Topics 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 98 of You can also create a user-defined function whose definition consists of multiple statements.
Chapter 5: Additional Home Screen Topics 99 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 99 of To: Do this: Display a list of all user-defined functions Press 2° to display the VAR-LINK screen.
100 Chapter 5: Additional Home Screen Topics 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 100 of Folders give you a convenient way to manage variables by organizing them into related groups.
Chapter 5: Additional Home Screen Topics 101 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 101 of Enter the NewFold command. NewFold folderName The VAR-LINK screen, which is described in Chapter 21, lists the existing variables and folders.
102 Chapter 5: Additional Home Screen Topics 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 102 of You can access a user-defined variable or function that is not in the current folder.
Chapter 5: Additional Home Screen Topics 103 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 103 of Move the cursor into the history area, and highlight the entry or answer.
104 Chapter 5: Additional Home Screen Topics 05ADDLHM DOC TI - 89/TI - 92 Plus: Additional Home Screen To p ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 104 of.
Chapter 6: Basic Function Graphing 105 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 105 of 22 Chapter 6: Basic Function Graphing Preview of Basic Function Graphing.
106 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 106 of 22 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 1.
Chapter 6: Basic Function Graphing 107 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 107 of 22 From the Graph screen, you can: ¦ Display the coordinates of any pixel by using the free-moving cursor, or of a plotted point by tracing a function.
108 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 108 of 22 1. Press 3 to display the MODE dialog box, which shows the current mode settings.
Chapter 6: Basic Function Graphing 109 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 109 of 22 1. Press ¥# or O 2 to display the Y= Editor. 2. Press D and C to move the cursor to any undefined function.
110 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 110 of 22 From the Y= Editor: To erase: Do this: A function from the function list Highlight the function and press 0 or M .
Chapter 6: Basic Function Graphing 111 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 111 of 22 Press ¥# or O 2 to display the Y= Editor. A “ Ÿ ” indicates which functions will be graphed the next time you display the Graph screen.
112 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 112 of 22 From the Y= Editor: 1. Move the cursor to highlight the applicable function.
Chapter 6: Basic Function Graphing 113 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 113 of 22 Press ¥$ or O 3 to display the Window Editor.
114 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 114 of 22 From the Y= Editor, Window Editor, or Graph screen, press ƒ and select 9:Format .
Chapter 6: Basic Function Graphing 115 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 115 of 22 Press ¥% or O 4 . The TI - 89 / TI - 92 Plus automatically graphs the selected functions.
116 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 116 of 22 When you first display the Graph screen, no cursor is visible. To display the cursor, press a cursor pad arrow.
Chapter 6: Basic Function Graphing 117 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 117 of 22 From the Graph screen, press … . The trace cursor appears on the function, at the middle x value on the screen.
118 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 118 of 22 Press C or D to move to the previous or next selected function at the same x value.
Chapter 6: Basic Function Graphing 119 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 119 of 22 Press „ from the Y= Editor, Window Editor, or Graph screen.
120 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 120 of 22 1. From the „ Zoom menu, select 1:ZoomBox . The screen prompts for 1st Corner? 2.
Chapter 6: Basic Function Graphing 121 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 121 of 22 The Zoom factors define the magnification and reduction used by ZoomIn and ZoomOut .
122 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 122 of 22 Press ‡ from the Graph screen. Math Tool Description Value Evaluates a selected y(x) function at a specified x value.
Chapter 6: Basic Function Graphing 123 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 123 of 22 1. From the Graph screen, press ‡ and select 1:Value . 2. Type the x value, which must be a real value between xmin and xmax .
124 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 124 of 22 1. From the Graph screen, press ‡ and select 6:Derivatives . Then select 1:dy/dx from the submenu.
Chapter 6: Basic Function Graphing 125 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 125 of 22 1. From the Graph screen, press ‡ and select 9:Distance . 2. As necessary, use D and C to select the function for the first point.
126 Chapter 6: Basic Function Graphing 06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23 /01 4:18 PM Page 126 of 22 You must have only one function graphed. If you graph two or more functions, the Shade tool shades the area between two functions.
Chapter 7: Parametric Graphing 127 07PARAM.DOC TI-89/TI-92 Plus: Parametric Graphing (English) Susan Gullord Revised: 02/23/01 10:56 AM Printed: 02/23/01 2:13 PM Page 127 of 6 Chapter 7: Parametric Graphing Preview of Parametric Graphing..............
128 Chapter 7: Parametric Graphing 07PARAM.DOC TI-89/TI-92 Plus: Parametric Graphing (English) Susan Gullord Revised: 02/23/01 10:56 AM Printed: 02/23/01 2:13 PM Page 128 of 6 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1. Display the MODE dialog box.
Chapter 7: Parametric Graphing 129 07PARAM.DOC TI-89/TI-92 Plus: Parametric Graphing (English) Susan Gullord Revised: 02/23/01 10:56 AM Printed: 02/23/01 2:13 PM Page 129 of 6 From the Graph screen, you can: ¦ Display the coordinates of any pixel by using the free-moving cursor, or of a plotted point by tracing a parametric equation.
130 Chapter 7: Parametric Graphing 07PARAM.DOC TI-89/TI-92 Plus: Parametric Graphing (English) Susan Gullord Revised: 02/23/01 10:56 AM Printed: 02/23/01 2:13 PM Page 130 of 6 Use 3 to set Graph = PARAMETRIC before you define equations or set Window variables.
Chapter 7: Parametric Graphing 131 07PARAM.DOC TI-89/TI-92 Plus: Parametric Graphing (English) Susan Gullord Revised: 02/23/01 10:56 AM Printed: 02/23/01 2:13 PM Page 131 of 6 To graph a parametric equation, select either its x or y component or both .
132 Chapter 7: Parametric Graphing 07PARAM.DOC TI-89/TI-92 Plus: Parametric Graphing (English) Susan Gullord Revised: 02/23/01 10:56 AM Printed: 02/23/01 2:13 PM Page 132 of 6 As in function graphing, you can explore a graph by using the following tools.
Chapter 8: Polar Graphing 133 08POLAR.DOC TI-89/TI-92 Plus: Polar Graphing (English) Susan Gullord Revised: 02/23/01 10:57 AM Printed: 02/23/01 2:14 PM Page 133 of 6 Chapter 8: Polar Graphing Preview of Polar Graphing .................................
134 Chapter 8: Polar Graphing 08POLAR.DOC TI-89/TI-92 Plus: Polar Graphing (English) Susan Gullord Revised: 02/23/01 10:57 AM Printed: 02/23/01 2:14 PM Page 134 of 6 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1. Display the MODE dialog box.
Chapter 8: Polar Graphing 135 08POLAR.DOC TI-89/TI-92 Plus: Polar Graphing (English) Susan Gullord Revised: 02/23/01 10:57 AM Printed: 02/23/01 2:14 PM Page 135 of 6 From the Graph screen, you can: ¦ Display the coordinates of any pixel by using the free-moving cursor, or of a plotted point by tracing a polar equation.
136 Chapter 8: Polar Graphing 08POLAR.DOC TI-89/TI-92 Plus: Polar Graphing (English) Susan Gullord Revised: 02/23/01 10:57 AM Printed: 02/23/01 2:14 PM Page 136 of 6 Use 3 to set Graph = POLAR before you define equations or set Window variables. The Y= Editor and the Window Editor let you enter information for the current Graph mode setting only.
Chapter 8: Polar Graphing 137 08POLAR.DOC TI-89/TI-92 Plus: Polar Graphing (English) Susan Gullord Revised: 02/23/01 10:57 AM Printed: 02/23/01 2:14 PM Page 137 of 6 The Window Editor maintains an independent set of Window variables for each Graph mode setting (just as the Y= Editor maintains independent function lists).
138 Chapter 8: Polar Graphing 08POLAR.DOC TI-89/TI-92 Plus: Polar Graphing (English) Susan Gullord Revised: 02/23/01 10:57 AM Printed: 02/23/01 2:14 PM Page 138 of 6 As in function graphing, you can explore a graph by using the following tools. Any displayed coordinates are shown in polar or rectangular form as set in the graph format.
Chapter 9: Sequence Graphing 139 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 139 of 14 Chapter 9: Sequence Graphing Preview of Sequence Graphing ..................
140 Chapter 9: Sequence Graphing 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 140 of 14 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1. Display the MODE dialog box.
Chapter 9: Sequence Graphing 141 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 141 of 14 From the Graph screen, you can: ¦ Display the coordinates of any pixel by using the free-moving cursor, or of a plotted point by tracing a sequence.
142 Chapter 9: Sequence Graphing 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 142 of 14 Use 3 to set Graph = SEQUENCE before you define sequences or set Window variables.
Chapter 9: Sequence Graphing 143 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 143 of 14 With TIME and WEB axes, the TI - 89 / TI - 92 Plus graphs only the selected sequences.
144 Chapter 9: Sequence Graphing 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 144 of 14 Standard values (set when you select 6:ZoomStd from the „ Zoom toolbar menu) are: nmin = 1.
Chapter 9: Sequence Graphing 145 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 145 of 14 As in function graphing, you can explore a graph by using the following tools.
146 Chapter 9: Sequence Graphing 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 146 of 14 From the Y= Editor, Axes: ¦ Depending on the current Axes setting, some items may be dimmed.
Chapter 9: Sequence Graphing 147 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 147 of 14 A sequence must meet the following criteria; otherwise, it will not be graphed properly on WEB axes.
148 Chapter 9: Sequence Graphing 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 148 of 14 1. On the Y= Editor ( ¥# ), define u1(n) = ë .8u1(n ì 1) + 3.6 . Set initial value ui1 = ë 4 .
Chapter 9: Sequence Graphing 149 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 149 of 14 5. On the Y= Editor, set Axes = WEB and Build Web = AUTO . 6. On the Window Editor, change the Window variables.
150 Chapter 9: Sequence Graphing 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 150 of 14 Using the predator-prey model in biology, determine the numbers of rabbits and foxes that maintain population equilibrium in a certain region.
Chapter 9: Sequence Graphing 151 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 151 of 14 In a Fibonacci sequence, the first two terms are 1 and 1. Each succeeding term is the sum of the two immediately preceding terms.
152 Chapter 9: Sequence Graphing 09SEQUEN.DOC TI-89/TI-92 Plus: Sequence Graphing (English) Susan Gullord Revised: 02/23/01 10:59 AM Printed: 02/23/01 2 :14 PM Page 152 of 14.
Chapter 10: 3D Graphing 153 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 153 of 22 Chapter 10: 3D Graphing Preview of 3D Graphing ............................................
154 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 154 of 22 10_3D.
Chapter 10: 3D Graphing 155 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 155 of 22 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 6. Return the graph to its initial orientation.
156 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 156 of 22 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 156 of 22 From the Graph screen, you can: ¦ Trace the equation.
Chapter 10: 3D Graphing 157 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 157 of 22 Use 3 to set Graph = 3D before you define equations or set Window variables. The Y= Editor and the Window Editor let you enter information for the current Graph mode setting only.
158 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 158 of 22 10_3D.
Chapter 10: 3D Graphing 159 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 159 of 22 The Axes and Style formats are specific to the 3D graphing mode. Refer to “Changing the Axes and Style Formats” on page 165.
160 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 160 of 22 10_3D.
Chapter 10: 3D Graphing 161 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 161 of 22 On more complex shapes, the cursor may appear as if it is not on a grid point. This is an optical illusion caused when the cursor is on a hidden surface.
162 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 162 of 22 10_3D.
Chapter 10: 3D Graphing 163 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 163 of 22 By changing eye f , you can elevate your viewing angle above the xy plane. If 90 < eye f < 270 , the viewing angle is below the xy plane.
164 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 164 of 22 10_3D.
Chapter 10: 3D Graphing 165 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 165 of 22 From the Y= Editor, Window Editor, or Graph screen, press: ƒ 9 — or — TI - 89 : ¥Í TI - 92 Plus : ¥ F ¦ The dialog box shows the current graph format settings.
166 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 166 of 22 10_3D.
Chapter 10: 3D Graphing 167 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 167 of 22 In 3D graphing mode, define an equation and graph it as you would any 3D equation, with the following exception.
168 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 168 of 22 10_3D.
Chapter 10: 3D Graphing 169 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 169 of 22 From the Graph screen, display the Draw menu and then select 8:DrwCtour . The Home screen is displayed automatically with DrwCtour in the entry line.
170 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 170 of 22 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 170 of 22 In this example, let f(x)=x 3 +1.
Chapter 10: 3D Graphing 171 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 171 of 22 In 2D function graphing mode, equations have an explicit form y=f(x), where y is unique for each value of x.
172 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 172 of 22 10_3D.
Chapter 10: 3D Graphing 173 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 173 of 22 Graph the equation sin(x 4 +y ì x 3 y) = .1 . 1. Use 3 to set Graph = 3D . 2. Press ¥# , and define the equation: z1(x,y)=sin(x ^ 4+y ì x^3y ) ì .
174 Chapter 10: 3D Graphing 10_3D.DOC TI-89/TI-92 Plus: 3D Graphing (English) Susan Gullord Revised: 02/23/01 11:00 AM Printed: 02/23/01 4:22 PM Page 174 of 22 10_3D.
Chapter 11: Differential Equation Graphing 175 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 175 of 26 Chapter 11: Dif ferential Equation Graphing Preview of Differential Equation Graphing .
176 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 176 of 26 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1.
Chapter 11: Differential Equation Graphing 177 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 177 of 26 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 6.
178 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 178 of 26 Overvie.
Chapter 11: Differential Equation Graphing 179 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 179 of 26 Use 3 to set Graph = DIFF EQUATIONS before you define differential equations or set Window variables.
180 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 180 of 26 From th.
Chapter 11: Differential Equation Graphing 181 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 181 of 26 In the Y= Editor, Axes may or may not be available, depending on the current graph format.
182 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 182 of 26 xmin , xmax , ymin , ymax Boundaries of the viewing window.
Chapter 11: Differential Equation Graphing 183 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 183 of 26 When a slope or direction field is drawn, a picture of the field is stored automatically to a system variable named fldpic .
184 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 184 of 26 You can specify one or more initial conditions in the Y= Editor.
Chapter 11: Differential Equation Graphing 185 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 185 of 26 When a .
186 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 186 of 26 A system of equations can be defined in various ways, but the following is a general method.
Chapter 11: Differential Equation Graphing 187 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 187 of 26 1. Press 3 and set Graph=DIFF EQUATIONS . 2. Define a system of equations for the 2nd-order equation as described on page 186.
188 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 188 of 26 To examine this harmonic oscillator in more detail, use a split screen to graph the manner in which y and y' change with respect to time (t) .
Chapter 11: Differential Equation Graphing 189 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 189 of 26 1. Press 3 and set Graph=DIFF EQUATIONS . 2. Define a system of equations for the 3rd-order equation as described on page 186.
190 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 190 of 26 From the Y= Editor, press: TI - 89 : 2‰ TI - 92 Plus: ‰ If Fields = SLPFLD , Axes is unavailable.
Chapter 11: Differential Equation Graphing 191 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 191 of 26 Use the two coupled 1st-order differential equations: y1' = ë y1 + 0.
192 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 192 of 26 8. Return to the Y= Editor. Press: ƒ 9 — or — TI - 89: ¥ Í TI - 92 Plus: ¥ F Set Fields = DIRFLD .
Chapter 11: Differential Equation Graphing 193 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 193 of 26 1. Press 3 and set Graph=DIFF EQUATIONS . 2. Express the 1st-order equation in terms of y1' and y1 .
194 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 194 of 26 9. Return to the Home screen, and use BldData to create a data variable containing the Euler graphing points.
Chapter 11: Differential Equation Graphing 195 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 195 of 26 16. In the Window Editor, set the Window variables. xmin= ë 10.
196 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 196 of 26 For a general solution, use the following syntax. For a particular solution, refer to Appendix A.
Chapter 11: Differential Equation Graphing 197 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 197 of 26 From th.
198 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 198 of 26 In the Y= Editor Enter a valid system of two 1st-order equations.
Chapter 11: Differential Equation Graphing 199 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 199 of 26 In the Y= Editor If you enter a 2nd- or higher-order equation, enter it as a valid system of equations as described on page 186.
200 Chapter 11: Differential Equation Graphing 11DIFFEQ.DOC TI-89/TI-92 Plus: Differential Equation (English) Susan Gullord Revised: 02/23/01 11:04 AM Printed: 02/23/ 01 2:15 PM Page 200 of 26.
Chapter 12: Additional Graphing Topics 201 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 201 of 20 Chapter 12: Additional Graphing T opics Preview of Additional Graphing Topics .
202 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 202 of 20 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1.
Chapter 12: Additional Graphing Topics 203 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 203 of 20 1. Display the graph. (This example shows y1(x)=5 ù cos(x) .
204 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 204 of 20 On the Y= Editor, all functions must be defined in terms of the current graph mode’s “native” independent variable.
Chapter 12: Additional Graphing Topics 205 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 205 of 20 The Graph command lets you graph an expression from the Home screen without using the Y= Editor.
206 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 206 of 20 To defin.
Chapter 12: Additional Graphing Topics 207 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 207 of 20 For three or more pieces, you may want to create a multi-statement, user-defined function.
208 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 208 of 20 Enter the expression {2,4,6} sin(x) and graph the functions.
Chapter 12: Additional Graphing Topics 209 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 209 of 20 Several mode settings affect the two-graph mode, but only two settings are required.
210 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 210 of 20 Both Graph 1 and Graph 2 have independent: ¦ Graph modes ( FUNCTION , POLAR , etc.
Chapter 12: Additional Graphing Topics 211 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 211 of 20 For more complete information about split screens, refer to Chapter 14.
212 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 212 of 20 Execute DrawFunc , DrawParm , or DrawPol from the Home screen or a program.
Chapter 12: Additional Graphing Topics 213 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 213 of 20 A drawn object is not part of the graph itself. It is drawn “on top of” the graph and remains on the screen until you clear it.
214 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 214 of 20 From the Graph screen: 1. TI - 89: 2‰ TI - 92 Plus: ‰ and select 2:Eraser.
Chapter 12: Additional Graphing Topics 215 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 215 of 20 From the Graph screen: 1. TI - 89: 2‰ TI - 92 Plus: ‰ and select 5:Horizontal or 6:Vertical .
216 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 216 of 20 From the Graph screen: 1. TI - 89: 2‰ TI - 92 Plus: ‰ and select 7:Text .
Chapter 12: Additional Graphing Topics 217 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 217 of 20 A picture includes any plotted functions, axes, tick marks, and drawn objects.
218 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 218 of 20 When you open a graph picture, it is superimposed over the current Graph screen.
Chapter 12: Additional Graphing Topics 219 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 219 of 20 Before u.
220 Chapter 12: Additional Graphing Topics 12ADDLGR.DOC TI-89/TI-92 Plus: Additional Graphing Tools (English) Susan Gullord Revised: 02/23/01 1:03 PM Printed: 02/ 23/01 2:15 PM Page 220 of 20 A graph database consists of: ¦ Mode settings ( 3 ) for Graph , Angle , Complex Format , and Split Screen (only if you are using the two-graph mode).
Chapter 13: Tables 221 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 221 of 10 Chapter 13: T ables Preview of Tables ............................................................
222 Chapter 13: Tables 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 222 of 10 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1. Display the MODE dialog box. For the Graph mode, select FUNCTION .
Chapter 13: Tables 223 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 223 of 10 From the Table screen, you can: ¦ Scroll through the table to see values on other pages. ¦ Highlight a cell to see its full value.
224 Chapter 13: Tables 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 224 of 10 To display the TABLE SETUP dialog box, press ¥& . From the Table screen, you can also press „ .
Chapter 13: Tables 225 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 225 of 10 To generate: t b lS t art @ t b l Graph < - .
226 Chapter 13: Tables 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 226 of 10 Define and select the applicable functions on the Y= Editor ( ¥# ). This example uses y1(x) = x òì x/3 .
Chapter 13: Tables 227 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 227 of 10 Cell width determines the maximum number of digits and symbols (decimal point, minus sign, and “ í ” for scientific notation) that can be displayed in a cell.
228 Chapter 13: Tables 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 228 of 10 From a table, you can change a selected function without having to use the Y= Editor. 1. Move the cursor to any cell in the column for that function.
Chapter 13: Tables 229 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 229 of 10 To display the Table screen, press ¥' or O 5 . If you set Independent = ASK (with ¥& ) before displaying a table for the first time, a blank table is displayed.
230 Chapter 13: Tables 13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Pag e 230 of 10 1. Move the cursor to highlight any cell in the independent variable column. 2. Press † to move the cursor to the entry line.
Chapter 14: Split Screens 231 14SPLIT.DOC TI-89/TI-92 Plus:Split Screens (English) Susan Gullord Revised: 02/23/01 1:09 PM Printed: 02/23/01 2:16 PM Page 231 of 6 Chapter 14: Split Scr eens Preview of Split Screens.....................................
232 Chapter 14: Split Screens 14SPLIT.DOC TI-89/TI-92 Plus:Split Screens (English) Susan Gullord Revised: 02/23/01 1:09 PM Printed: 02/23/01 2:16 PM Page 232 of 6 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1. Display the MODE dialog box.
Chapter 14: Split Screens 233 14SPLIT.DOC TI-89/TI-92 Plus:Split Screens (English) Susan Gullord Revised: 02/23/01 1:09 PM Printed: 02/23/01 2:16 PM Page 233 of 6 1. Press 3 to display the MODE dialog box. 2. Because the modes related to split screens are listed on the second page of the MODE dialog box, either: ¦ Use D to scroll down.
234 Chapter 14: Split Screens 14SPLIT.DOC TI-89/TI-92 Plus:Split Screens (English) Susan Gullord Revised: 02/23/01 1:09 PM Printed: 02/23/01 2:16 PM Page 234 of 6 Mode Description Number of Graphs Note: Leave this set to 1 unless you have read the applicable section in Chapter 12.
Chapter 14: Split Screens 235 14SPLIT.DOC TI-89/TI-92 Plus:Split Screens (English) Susan Gullord Revised: 02/23/01 1:09 PM Printed: 02/23/01 2:16 PM Page 235 of 6 ¦ The active application is indicated by a thick border. ¦ The toolbar and status line, which are always the full width of the display, are associated with the active application.
236 Chapter 14: Split Screens 14SPLIT.DOC TI-89/TI-92 Plus:Split Screens (English) Susan Gullord Revised: 02/23/01 1:09 PM Printed: 02/23/01 2:16 PM Page 236 of 6 If the Home screen: Pressing 2K : Is not already displayed Opens the Home screen in place of the active application.
Chapter 15: Data/Matrix Editor 237 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 237 of 16 Chapter 15: Data/Matrix Editor Preview of the Data/Matrix Editor .........
238 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 238 of 16 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1. Start the Data/Matrix Editor and create a new list variable named TEMP .
Chapter 15: Data/Matrix Editor 239 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 239 of 16 A list is a series of items (numbers, expressions, or character strings) that may or may not be related.
240 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 240 of 16 From the Home screen or a program, you can use the NewData command to create a data variable that consists of existing lists.
Chapter 15: Data/Matrix Editor 241 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 241 of 16 1. Press O and then select 6:Data/Matrix Editor . 2. Select 3:New . 3. Specify the applicable information for the new variable.
242 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 242 of 16 You can leave the Data/Matrix Editor and go to another application at any time.
Chapter 15: Data/Matrix Editor 243 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 243 of 16 A blank Data/Matrix Editor screen is shown below. When the screen is displayed initially, the cursor highlights the cell at row 1, column 1.
244 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 244 of 16 To move the cursor: Pre.
Chapter 15: Data/Matrix Editor 245 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 245 of 16 ¦ In a matrix variable.
246 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 246 of 16 You cannot delete the rows or cells that contain column titles or headers.
Chapter 15: Data/Matrix Editor 247 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 247 of 16 The new cell is inserted before the highlighted cell in the same column. (You cannot insert a cell into a locked column, which is defined by a function in the column header.
248 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 248 of 16 In the Data/Matrix Editor: 1. Move the cursor to any cell in the column and press † .
Chapter 15: Data/Matrix Editor 249 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 249 of 16 Suppose you have one or more existing lists, and you want to use those existing lists as columns in a data variable.
250 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 250 of 16 The shift function copies a base column and shifts it up or down by a specified number of elements.
Chapter 15: Data/Matrix Editor 251 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 251 of 16 In the Data/Matrix Editor: 1. Move the cursor to any cell in the column. 2.
252 Chapter 15: Data/Matrix Editor 15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2 :17 PM Page 252 of 16 You can copy a: To a: List List or data Data Data Data column List Matrix Matrix From the Data/Matrix Editor: 1.
Chapter 16: Statistics and Data Plots 253 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 253 of 22 Chapter 16: Statistics and Data Plots Preview of Statistics and Data Plots.
254 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 254 of 22 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 1.
Chapter 16: Statistics and Data Plots 255 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 255 of 22 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 6.
256 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 256 of 22 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 15.
Chapter 16: Statistics and Data Plots 257 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 257 of 22 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 22.
258 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 258 of 22 From the Graph screen, you can: ¦ Display the coordin ates of any pixel by using th e free-moving cursor, or of a plotted point by trac ing a plot.
Chapter 16: Statistics and Data Plots 259 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 259 of 22 You must have a data variable opened. The Data/Matrix Editor will not perform statistical calculations with a list or matrix variable.
260 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 260 of 22 Item Description Freq Type the column number that contains a “weight” value for each data point.
Chapter 16: Statistics and Data Plots 261 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 261 of 22 From the Calculate dialog box ( ‡ ), highlight the current setting for the Calculation Type and press B .
262 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 262 of 22 Calc Type .
Chapter 16: Statistics and Data Plots 263 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 263 of 22 Statistical variables are stored as system variables. However, regCoef and regeq are treated as a list and a function variable, respectively.
264 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 264 of 22 From the Data/Matrix Editor: 1. Press „ to display the Plot Setup screen.
Chapter 16: Statistics and Data Plots 265 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 265 of 22 Item Description Freq Type the column number that contains a “weight” value for each data point.
266 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 266 of 22 Data points from x and y are plotted as coordinate pairs. Therefore, the columns or lists that you specify for x and y must be the same length.
Chapter 16: Statistics and Data Plots 267 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 267 of 22 This plots one-variable data as a histogram. The x axis is divided into equal widths called buckets or bars.
268 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 268 of 22 Press ¥# to display the Y= Editor. Initially, the nine stat plots are located “off the top” of the screen, above the y(x) functions.
Chapter 16: Statistics and Data Plots 269 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 269 of 22 Stat plots are displayed on the current graph, and they use the Window variables that are defined in the Window Editor.
270 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 270 of 22 In a data variable, you can use any column in the Data/Matrix Editor to specify a frequency value (or weight) for the data points on each row.
Chapter 16: Statistics and Data Plots 271 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 271 of 22 Suppose you enter the test scores from a class that has 10th and 11th grade students.
272 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 272 of 22 When you collect data with the CBL 2/CBL, that data is initially stored in the CBL 2/CBL unit itself.
Chapter 16: Statistics and Data Plots 273 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 273 of 22 You can create a new data variable that consists of the necessary CBL 2/CBL list variables.
274 Chapter 16: Statistics and Data Plots 16STATS.DOC TI-89/TI-92 Plus: Statistics and Data Plots (English) Susan Gullord Revised: 02/23/01 1:12 PM Printed: 02/2 3/01 2:17 PM Page 274 of 22.
Chapter 17: Programming 275 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 275 of 40 Chapter 17: Pr ogramming Preview of Programming..........................................
276 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 276 of 40 Steps ³ TI . 89 Keystrokes › TI . 92 Plus Keystrokes Display 1. Start a new program on the Program Editor.
Chapter 17: Programming 277 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 277 of 40 Steps ³ TI - 89 Keystrokes › TI - 92 Plus Keystrokes Display 5. Go to the Home screen.
278 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 278 of 40 On the Home screen: 1. Type the name of the program. 2. You must always type a set of parentheses after the name.
Chapter 17: Programming 279 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 279 of 40 Depending on the commands in the program, the TI - 89 / TI - 92 Plus automatically displays information on the applicable screen.
280 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 280 of 40 1. Press O and then select 7:Program Editor . 2. Select 3:New . 3. Specify the applicable information for the new program or function.
Chapter 17: Programming 281 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 281 of 40 You can leave the Program Editor and go to another application at any time.
282 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 282 of 40 On a blank template, you can begin entering commands for your new program.
Chapter 17: Programming 283 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 283 of 40 When you run a program, the program lines are executed in sequential order. However, some commands alter the program flow.
284 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 284 of 40 The following program draws a circle on the Graph screen and then draws a horizontal line across the top of the circle.
Chapter 17: Programming 285 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 285 of 40 Functions (as well as programs) are ideal for repetitive calculations or tasks. You only need to write the function once.
286 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 286 of 40 When you create a new function in the Program Editor, the TI - 89 / TI - 92 Plus displays a blank “template”.
Chapter 17: Programming 287 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 287 of 40 To call a separate program, use the same syntax used to run the program from the Home screen.
288 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 288 of 40 Scope Description System (Global) V ariables Variables with reserved names that are created automatically to store data about the state of the TI - 89 / TI - 92 Plus .
Chapter 17: Programming 289 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 289 of 40 When evaluating a user-defined function or running a program, you can specify an argument that includes the same variable that was used to define the function or create the program.
290 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 290 of 40 The following program segment shows a For...EndFor loop (which is discussed later in this chapter).
Chapter 17: Programming 291 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 291 of 40 If you want a function or program to perform symbolic calculations, you must use a global variable instead of a local.
292 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 292 of 40 A string is a sequence of characters enclosed in "quotes". In programming, strings allow the program to display information or prompt the user to perform some action.
Chapter 17: Programming 293 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 293 of 40 Command Description # Converts a string into a variable name. This is called indirection.
294 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 294 of 40 ¦ Type the operator directly from the keyboard. — or — ¦ Press 2I and select 8:Test .
Chapter 17: Programming 295 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 295 of 40 To enter If...EndIf structures, use the Program Editor’s „ Control toolbar menu. The If command is available directly from the „ menu.
296 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 296 of 40 To execute one group of commands if a .
Chapter 17: Programming 297 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 297 of 40 To enter most of the loop-related commands, use the Program Editor’s „ Control toolbar menu.
298 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 298 of 40 For example: :For i,0,5,1 : Disp i :EndFor :Disp i A While...EndWhile loop repeats a block of commands as long as a specified condition is true.
Chapter 17: Programming 299 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 299 of 40 A Loop...EndLoop creates an infinite loop, which is repeated endlessly. The Loop command does not have any arguments.
300 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 300 of 40 Command Description getConfg Returns a list of calculator characteristics. getFold Returns the name of the current folder.
Chapter 17: Programming 301 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 301 of 40 To enter most of the commonly used input/output commands, use the Program Editor’s … I/O toolbar menu.
302 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 302 of 40 Command Description Clr Z O Clears the Program I/O screen. Disp Displays an expression or string on the Program I/O screen.
Chapter 17: Programming 303 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 303 of 40 When you create a custom menu, you can let the user turn it on and off manually, or you can let a program turn it on and off automatically.
304 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 304 of 40 For example: :Custom :Title "Vars.
Chapter 17: Programming 305 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 305 of 40 Command Description DispTbl Displays the current contents of the Table screen. setTable Sets the Graph <–> Table or Independent table parameters.
306 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 306 of 40 Command Description AndPic Displays the Graph screen and superimposes a stored graph picture by using AND logic.
Chapter 17: Programming 307 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 307 of 40 When drawing an object, you can use either of two coordinate systems to specify a location on the screen.
308 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 308 of 40 Command Description Circle or PxlCrcl Draws, erases, or inverts a circle with a specified center and radius.
Chapter 17: Programming 309 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 309 of 40 Use the Program Editor’s … I/O toolbar menu to enter the commands in this section. 1.
310 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 310 of 40 The first step in debugging your program is to run it. The TI - 89 / TI - 92 Plus automatically checks each executed command for syntax errors.
Chapter 17: Programming 311 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 311 of 40 This example is the program given in the preview at the beginning of the chapter. Refer to the preview for detailed information.
312 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 312 of 40 This example uses Dialog...EndDlog to create dialog boxes for input and output. It uses Loop.
Chapter 17: Programming 313 17progrm.doc TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 01/18/02 3:05 PM Printed: 01/18/02 3:27 PM Page 313 of 40 Assembly-language program s, as well as keystroke programs, are available on the Texas Instruments web site at: education.
314 Chapter 17: Programming 17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 314 of 40 On the Home screen, you can use keyboard shortcuts to run up to nine user-defined or assembly-language programs.
Chapter 18: Text Editor 315 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 315 of 18 Chapter 18: T ext Editor Preview of Text Operations ......................................
316 Chapter 18: Text Editor 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 316 of 18 Steps ³ TI . 89 Keystrokes › TI . 92 Plus Keystrokes Display 1. Start a new session on the Text Editor.
Chapter 18: Text Editor 317 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 317 of 18 1. Press O and then select 8:Text Editor . 2. Select 3:New . The NEW dialog box is displayed.
318 Chapter 18: Text Editor 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 318 of 18 You can leave the Text Editor and go to another application at any time. To return to the session that was displayed when you left the Text Editor, press O 8 and select 1:Current .
Chapter 18: Text Editor 319 18txted.doc TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 01/18/02 1:19 PM Printed: 01/18/02 2:43 PM Page 319 of 18 When you create a new Text Editor session, you see an empty screen. When you open a previous session or return to the current session, you see the existing text for that session.
320 Chapter 18: Text Editor 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 320 of 18 On the TI - 89 , while either type of alpha-lock is on: ¦ To type a period, comma, or other character that is the primary function of a key, you must turn alpha-lock off.
Chapter 18: Text Editor 321 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 321 of 18 Cutting and copying both place highlighted text into the clipboard of the TI - 89 / TI - 92 Plus .
322 Chapter 18: Text Editor 18txted.doc TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 01/18/02 3:33 PM Printed: 01/18/02 3:34 PM Page 322 of 18 By default, the TI - 89 / TI - 92 Plus is in insert mode. To toggle between insert and overtype mode, press 2/ .
Chapter 18: Text Editor 323 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 323 of 18 2. Use the TI-GRAPH LINK é software to send the file from the computer to the TI - 89 / TI - 92 Plus .
324 Chapter 18: Text Editor 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 324 of 18 1. Press 2¿ . 2. Select the applicable category. A menu lists the characters in that category.
Chapter 18: Text Editor 325 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 325 of 18 TI . 89 keyboard map feature shortcuts: TI . 92 Plus keyboard map feature shortcuts: GREEK ( ¥ c ) — Accesses the Greek character set (described later in this section).
326 Chapter 18: Text Editor 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 326 of 18 Pressing an accent mark key d oes not display an accen ted letter. The accent mark will be added to the next letter you press.
Chapter 18: Text Editor 327 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 327 of 18 Several keys let you access lowercase and uppercase Greek letters. For example: On the TI .
328 Chapter 18: Text Editor 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 328 of 18 In the Text Editor: 1. Place the cursor on the line for the command. 2. Press „ to display the Command toolbar menu.
Chapter 18: Text Editor 329 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 329 of 18 With a split screen, you can view your command script and see the result of an executed command at the same time.
330 Chapter 18: Text Editor 18txted.doc TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 01/18/02 3:33 PM Printed: 01/18/02 3:35 PM Page 330 of 18 In the Text Editor, you can specify a variable name as a print object.
Chapter 18: Text Editor 331 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 331 of 18 General Steps For Detailed Information 1. Connect the TI - 89 / TI - 92 Plus to your computer via the TI-GRAPH LINK cable.
332 Chapter 18: Text Editor 18TXTED.DOC TI-89/TI-92 Plus: Text Editor (English) Susan Gullord Revised: 02/23/01 1:15 PM Printed: 02/23/01 2:18 PM Page 332 of 18.
Chapter 19: Numeric Solver 333 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 333 of 10 Chapter 19: Numeric Solver Preview of the Numeric Solver ..........................
334 Chapter 19: Numeric Solver 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 334 of 10 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1. Display the Numeric Solver.
Chapter 19: Numeric Solver 335 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 335 of 10 To display the Numeric Solver, press O 9. The Numeric Solver screen shows the last entered equation, if any.
336 Chapter 19: Numeric Solver 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 336 of 10 Your most recently entered equations (up to 11 with the default setting) are retained in memory.
Chapter 19: Numeric Solver 337 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 337 of 10 A fter typing your equation on the eqn: line, press ¸ or D . The screen lists the variables in the order they appear in the equation.
338 Chapter 19: Numeric Solver 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 338 of 10 ¦ If the equation contains a system variable ( xmin , xmax , etc.), that variable is not listed.
Chapter 19: Numeric Solver 339 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 339 of 10 With all known variables defined: 1. Move the cursor to the unknown variable. 2. Press „ Solve .
340 Chapter 19: Numeric Solver 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 340 of 10 In the Numeric Solver, leave the cursor on the unknown variable.
Chapter 19: Numeric Solver 341 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 341 of 10 To use the graph cursor to select an initial guess: 1. Move the cursor (either free-moving or trace) to the point that you want to use as the new guess.
342 Chapter 19: Numeric Solver 19SOLVER.DOC TI-89/TI-92 Plus: Numeric Solver (English) Susan Gullord Revised: 02/23/01 1:16 PM Printed: 02/23/01 2:19 PM Page 342 of 10.
Chapter 20: Number Bases 343 20NUMBAS.DOC TI-89/TI-92 Plus: Number Bases (English) Susan Gullord Revised: 02/23/01 1:17 PM Printed: 02/23/01 2:19 PM Page 343 of 6 Chapter 20: Number Bases Preview of Number Bases .......................................
344 Chapter 20: Number Bases 20NUMBAS.DOC TI-89/TI-92 Plus: Number Bases (English) Susan Gullord Revised: 02/23/01 1:17 PM Printed: 02/23/01 2:19 PM Page 344 of 6 Steps ³ TI . 89 Keystrokes › TI . 92 Plus Keystrokes Display 1. Display the MODE dialog box, Page 2.
Chapter 20: Number Bases 345 20NUMBAS.DOC TI-89/TI-92 Plus: Number Bases (English) Susan Gullord Revised: 02/23/01 1:17 PM Printed: 02/23/01 2:19 PM Page 345 of 6 To enter a binary number, use the for.
346 Chapter 20: Number Bases 20NUMBAS.DOC TI-89/TI-92 Plus: Number Bases (English) Susan Gullord Revised: 02/23/01 1:17 PM Printed: 02/23/01 2:19 PM Page 346 of 6 1. Press 3„ to display Page 2 of the MODE screen. 2. Scroll to the Base mode, press B , and select the applicable setting.
Chapter 20: Number Bases 347 20NUMBAS.DOC TI-89/TI-92 Plus: Number Bases (English) Susan Gullord Revised: 02/23/01 1:17 PM Printed: 02/23/01 2:19 PM Page 347 of 6 Operator with syntax Description not integer Returns the one’s complement, where each bit is flipped.
348 Chapter 20: Number Bases 20NUMBAS.DOC TI-89/TI-92 Plus: Number Bases (English) Susan Gullord Revised: 02/23/01 1:17 PM Printed: 02/23/01 2:19 PM Page 348 of 6 Function with syntax Description rotate( integer ) – or – rotate( integer , #ofRotations ) If #ofRotations is: ¦ omitted — bits rotate once to the right (default is ë 1).
Chapter 21: Memory and Variable Management 349 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 349 of 16 Chapter 21: Memor y and V ariable Management Preview of Memory and Variable Management .
350 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 350 of 16 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 1.
Chapter 21: Memory and Variable Management 351 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 351 of 16 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 5.
352 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 352 of 16 Steps ³ TI-89 Keystrokes › TI-92 Plus Keystrokes Display 14.
Chapter 21: Memory and Variable Management 353 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 353 of 16 Press 2¯ . To close the screen, press ¸ . To reset the memory, use the following procedure.
354 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 354 of 16 The Flash ROM free displayed on the Memory screen 2¯ is shared by archive and Flash applications.
Chapter 21: Memory and Variable Management 355 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 355 of 16 Press 2° . By default, the VAR-LINK screen lists all user- defined variables in all folders and with all data types.
356 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 356 of 16 If you have a lot of variables and/or folders, or Flash applications, it may be difficult to locate a particular variable.
Chapter 21: Memory and Variable Management 357 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 357 of 16 You can show all variable types except ASM , DATA , or GDB .
358 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 358 of 16 For information about using folders, refer to Chapter 5.
Chapter 21: Memory and Variable Management 359 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 359 of 16 From the following applications, you can paste a variable name to the current cursor location.
360 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 360 of 16 The user data archive lets you: ¦ Store data, programs, or any other variables to a safe location where they cannot be edited or deleted inadvertently.
Chapter 21: Memory and Variable Management 361 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 361 of 16 To archive or unarchive: 1. Press 2° to display the VAR-LINK screen.
362 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 362 of 16 When you see the message to the right: ¦ To continue archiving, press ¸ .
Chapter 21: Memory and Variable Management 363 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 363 of 16 When you unarchive a variable, it is copied to RAM but is not actually deleted from the user data archive memory.
364 Chapter 21: Memory and Variable Management 21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/ 01 2:19 PM Page 364 of 16 The Memory Error message is displayed if there is not enough free RAM to access the archived variable.
Chapter 22: Linking and Upgrading 365 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 365 of 18 Chapter 22: Linking and Upgrading Linking Two Units ...................
366 Chapter 22: Linking and Upgrading 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 366 of 18 22LINK.
Chapter 22: Linking and Upgrading 367 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 367 of 18 Most Flash applications will transfer only from a TI - 89 to a TI - 89 or from a TI - 92 Plus to a TI - 92 Plus .
368 Chapter 22: Linking and Upgrading 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 368 of 18 22LINK.
Chapter 22: Linking and Upgrading 369 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 369 of 18 Shown on: Message and Description: Sending unit This is displayed after several seconds if: ¦ A cable is not attached to the sending unit’s I/O port.
370 Chapter 22: Linking and Upgrading 22link.doc TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 01/18/02 1:31 PM Printed: 01/19/02 9:11 AM Page 370 of 18 22link.doc TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 01/18/02 1:31 PM Printed: 01/19/02 9:11 AM Page 370 of 18 1.
Chapter 22: Linking and Upgrading 371 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 371 of 18 SendCalc sends a variable to the link port, where a linked calculator can receive the variable value.
372 Chapter 22: Linking and Upgrading 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 372 of 18 22LINK.
Chapter 22: Linking and Upgrading 373 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 373 of 18 The term product software includes these two types of base code upgrades: ¦ Maintenance upgrades (which are released free of charge).
374 Chapter 22: Linking and Upgrading 22link.doc TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 01/18/02 1:31 PM Printed: 01/19/02 9:11 AM Page 374 of 18 22link.
Chapter 22: Linking and Upgrading 375 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 375 of 18 If the sending TI - .
376 Chapter 22: Linking and Upgrading 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 376 of 18 22LINK.
Chapter 22: Linking and Upgrading 377 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 377 of 18 Most error messages are displayed on the sending unit. Depending on when the error occurs during the transfer process, you may see an error message on the receiving unit.
378 Chapter 22: Linking and Upgrading 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 378 of 18 22LINK.
Chapter 22: Linking and Upgrading 379 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 379 of 18 After all the IDs ar.
380 Chapter 22: Linking and Upgrading 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 380 of 18 22LINK.
Chapter 22: Linking and Upgrading 381 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 381 of 18 All user-defined variables, including functions and programs, can be sent from a TI - 92 to a TI - 89 or TI - 92 Plus .
382 Chapter 22: Linking and Upgrading 22LINK.DOC TI-89/TI-92 Plus: Linking and Upgrading (English) Susan Gullord Revised: 02/23/01 1:23 PM Printed: 02/23/01 2:20 PM Page 382 of 18 22LINK.
Chapter 23: Activities 383 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 383 of 26 Chapter 23: Activities Analyzing the Pole-Corner Problem ...................................
384 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 384 of 26 The maximum length of a pole c is the shortest line segment touching the interior corner and opposite sides of the two hallways as shown in the diagram below.
Chapter 23: Activities 385 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 385 of 26 5. Compute the exact maximum length of the pole. Enter: c( 2± ) 6. Compute the approximate maximum length of the pole.
386 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 386 of 26 Perform the following steps to derive the quadratic formula by completing the square of the generalized quadratic equation.
Chapter 23: Activities 387 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 387 of 26 7. Factor the result using the factor() function. 8. Multiply both sides of the equation by 4a ñ .
388 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 388 of 26 Perform these steps to generate a random matrix, augment and find the identity matrix, and then solve to find an invalid value of the inverse.
Chapter 23: Activities 389 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 389 of 26 Perform the following steps to observe where the graphs of the functions y1(x)=cos(x) and y2(x)=sin(x) intersect.
390 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 390 of 26 Perform the following steps to define a function for the surface area of a parallelepiped, draw a 3D graph, and use the Trace tool to find a point close to the minimum surface area.
Chapter 23: Activities 391 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 391 of 26 Perform the following steps to solve the problem analytically on the Home screen. 1. Solve for x and y in terms of v .
392 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 392 of 26 Perform the following steps to write a script using the Text Editor, test each line, and observe the results in the history area on the Home screen.
Chapter 23: Activities 393 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 393 of 26 4. Press † repeatedly to execute each line in the script one at a time. 5. To see the results of the script on a full-sized screen, go to the Home screen.
394 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 394 of 26 To examine the decomposition of the rational function f(x)=(x òì 10x ñì x+50)/(x ì 2) on a graph: 1.
Chapter 23: Activities 395 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 395 of 26 6. Add the original function f(x) to y3(x) and select the square graphing style. 7. In the Window Editor, set the window variables to: x= [ ë 10,15,10] y= [ ë 100,100,10] 8.
396 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 396 of 26 Each student is placed into one of eight categories depending on the student’s sex and academic year (freshman, sophomore, junior, or senior).
Chapter 23: Activities 397 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 397 of 26 Perform the following steps to compare the weight of high school students to their year in school.
398 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 398 of 26 7.
Chapter 23: Activities 399 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 399 of 26 Program Instruction Description :cooltemp.
400 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 400 of 26 Perform the following steps to study the flight of a hit baseball that has an initial velocity of 95 feet per second and an initial angle of 32 degrees.
Chapter 23: Activities 401 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 401 of 26 5. Set the Window variables to: t values= [0,4,.1] x values= [0,300,50] y values= [0,100,10] 6.
402 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 402 of 26 Perform the following steps to expand the.
Chapter 23: Activities 403 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 403 of 26 6. In the Y=Editor, press: TI - 89: ¥ Í TI - 92 Plus: ¥ F and set the Graph Format variables to: Axes= ON Labels= ON Style= HIDDEN SURFACE 7.
404 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 404 of 26 Perform the following steps to find the i.
Chapter 23: Activities 405 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 405 of 26 In the Program Editor, define the followi.
406 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 406 of 26 Enter the expressions shown below on the Home screen. 1. factor(x^3 ì 5x) ¸ displays a rational result.
Chapter 23: Activities 407 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 407 of 26 In the Program Editor, define drawball() as a function that can be called with two parameters.
408 Chapter 23: Activities 23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM P age 408 of 26.
Appendix A: Functions and Instructions 409 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 409 of 132 Name of the function or instruction. Key or menu for entering the name.
410 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 410 of 132 | (" with &qu.
Appendix A: Functions and Instructions 411 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 411 of 132 + (add) 526 ì (subtract) 526 ù (multiply) 527 à (divide) 527 ë (negate) 528 % (percent) 528 ! (factorial) 531 ‡ () (sqr.
412 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 412 of 132 = 529 ≠ 529 <.
Appendix A: Functions and Instructions 413 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 413 of 132 & (append) 532.
414 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 414 of 132 abs() MATH/Number menu abs ( expression1 ) ⇒ expression abs ( list1 ) ⇒ list abs ( matrix1 ) ⇒ matrix Returns the absolute value of the argument.
Appendix A: Functions and Instructions 415 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 415 of 132 AndPic CATALOG And.
416 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 416 of 132 ans( ) 2 ± key ans ( ) ⇒ value ans ( integer ) ⇒ value Returns a previous answer from the Home screen history area.
Appendix A: Functions and Instructions 417 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 417 of 132 augment( ) MATH/Matrix menu augment ( list1, list2 ) ⇒ list Returns a new list that is list2 appended to the end of list1 .
418 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 418 of 132 BldData CATALOG BldData [ dataVar ] Creates data variable dataVar based on the information used to plot the current graph.
Appendix A: Functions and Instructions 419 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 419 of 132 cFactor( ) MATH/Al.
420 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 420 of 132 Circle CATALOG Circle x , y , r [ , drawMode ] Draws a circle with its center at window coordinates ( x , y ) and with a radius of r .
Appendix A: Functions and Instructions 421 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 421 of 132 ClrHome CATALOG ClrHome Clears all items stored in the entry() and ans() Home screen history area.
422 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 422 of 132 comDenom( expression1,var ) returns a reduced ratio of numerator and denominator expanded with respect to var .
Appendix A: Functions and Instructions 423 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 423 of 132 cos( ) TI - 89 : 2.
424 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 424 of 132 cos ê () TI - 89:.
Appendix A: Functions and Instructions 425 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 425 of 132 cosh ê ( squareMatrix1 ) ⇒ squareMatrix Returns the matrix inverse hyperbolic cosine of squareMatrix1 .
426 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 426 of 132 cSolve() starts with exact symbolic methods. Except in EXACT mode, cSolve() also uses iterative approximate complex polynomial factoring, if necessary.
Appendix A: Functions and Instructions 427 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 427 of 132 Simultaneous polynomial equations can have extra variables that have no values , but represent given numeric values that could be substituted later.
428 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 428 of 132 CubicReg MATH/Stat.
Appendix A: Functions and Instructions 429 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 429 of 132 Custom 2¾ key Custom block EndCustm Sets up a toolbar that is activated when you press 2¾ .
430 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 430 of 132 cZeros( ) MATH/Algebra/Complex menu cZeros ( expression , var ) ⇒ list Returns a list of candidate real and non-real values of var that make expression =0.
Appendix A: Functions and Instructions 431 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 431 of 132 Simultaneous polynomials can have extra variables that have no values , but represent given numeric values that could be substituted later.
432 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 432 of 132 d () 2= key or MAT.
Appendix A: Functions and Instructions 433 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 433 of 132 0b binaryNumber 0h hexadecimalNumber Without a prefix, integer1 is treated as decimal.
434 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 434 of 132 Define progName ( arg1Name, arg2Name, ... ) = Prgm block EndPrgm Creates progName as a program or subprogram, but cannot return a result using Return .
Appendix A: Functions and Instructions 435 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 435 of 132 Apply solve() to an implicit solution if you want to try to convert it to one or more equivalent explicit solutions.
436 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 436 of 132 deSolve( 2ndOrderO.
Appendix A: Functions and Instructions 437 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 437 of 132 Dialog CATALOG Dialog block EndDlog Generates a dialog box when the program is executed.
438 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 438 of 132 DispG CATALOG DispG Displays the current contents of the Graph screen.
Appendix A: Functions and Instructions 439 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 439 of 132 dotP( ) MATH/Matrix/Vector ops menu dotP ( list1 , list2 ) ⇒ expression Returns the “dot” product of two lists.
440 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 440 of 132 DrawPol CATALOG DrawPol expression [ , q min ] [ , q max ] [ , q step ] Draws the polar graph of expression , using q as the independent variable.
Appendix A: Functions and Instructions 441 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 441 of 132 DrwCtour CATALOG DrwCtour expression DrwCtour list Draws contours on the current 3D graph at the z values specified by expression or list .
442 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 442 of 132 e ^( squareMatrix1 ) ⇒ squareMatrix Returns the matrix exponential of squareMatrix1 .
Appendix A: Functions and Instructions 443 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 443 of 132 EndCustm See Custom , page 429. EndDlog See Dialog , page 437. EndFor See For , page 450.
444 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 444 of 132 Exec CATALOG Exec string [ , expression1 ] [ , expression2 ] ... Executes a string consisting of a seri es of Motorola 68000 op-codes.
Appendix A: Functions and Instructions 445 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 445 of 132 expand( ) MATH/Alg.
446 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 446 of 132 expand( expression1, [ var ] ) also distributes logarithms and fractional powers regardless of var .
Appendix A: Functions and Instructions 447 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 447 of 132 factor( ) MATH/Alg.
448 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 448 of 132 factor( rationalNumber ) returns the rational number factored into primes.
Appendix A: Functions and Instructions 449 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 449 of 132 Use the “|” operator to restrict the solution interval and/or specify the sign of other undefined variables.
450 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 450 of 132 FnOn [1] [, 2] ... [,99] Selects the specified Y= functions for the current graphing mode.
Appendix A: Functions and Instructions 451 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 451 of 132 fpart( ) MATH/Number menu fpart( expression1 ) ⇒ expression fpart( list1 ) ⇒ list fpart( matrix1 ) ⇒ matrix Returns the fractional part of the argument.
452 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 452 of 132 GetCalc CATALOG GetCalc var Retrieves a value from the link port and stores it in variable var .
Appendix A: Functions and Instructions 453 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 453 of 132 getFold( ) CATALOG getFold() ⇒ nameString Returns the name of the current folder as a string.
454 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 454 of 132 getType( ) CATALOG getType( var ) ⇒ string Returns a string indicating the data type of variable var .
Appendix A: Functions and Instructions 455 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 455 of 132 Goto CATALOG Goto labelName Transfers program control to the label labelName .
456 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 456 of 132 4 Hex MATH/Base menu integer1 4 Hex ⇒ integer Converts integer1 to a hexadecimal number.
Appendix A: Functions and Instructions 457 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 457 of 132 If Boolean expression1 Then block1 ElseIf Boolean expression2 Then block2 © ElseIf Boolean expressionN Then blockN EndIf Allows for program branching.
458 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 458 of 132 InputStr CATALOG I.
Appendix A: Functions and Instructions 459 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 459 of 132 iPart( ) MATH/Number menu iPart ( number ) ⇒ integer iPart ( list1 ) ⇒ list iPart ( matrix1 ) ⇒ matrix Returns the integer part of the argument.
460 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 460 of 132 lcm( ) MATH/Number.
Appendix A: Functions and Instructions 461 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 461 of 132 limit() uses methods such as L’Hopital’s rule, so there are unique limits that it cannot determine.
462 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 462 of 132 LineTan CATALOG LineTan expression1 , expression2 Displays the Graph screen and draws a line tangent to expression1 at the point specified.
Appendix A: Functions and Instructions 463 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 463 of 132 list 4 mat() MATH/List menu list 4 mat( list [ , elementsPerRow ] ) ⇒ matrix Returns a matrix filled row-by-row with the elements from list .
464 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 464 of 132 LnReg MATH/Statist.
Appendix A: Functions and Instructions 465 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 465 of 132 log( ) CATALOG log ( expression1 ) ⇒ expression log ( list1 ) ⇒ list Returns the base-10 logarithm of the argument.
466 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 466 of 132 Loop CATALOG Loop block EndLoop Repeatedly executes the statements in block .
Appendix A: Functions and Instructions 467 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 467 of 132 mat 4 list( ) MATH/List menu mat 4 list ( matrix ) ⇒ list Returns a list filled with the elements in matrix .
468 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 468 of 132 MedMed MATH/Statis.
Appendix A: Functions and Instructions 469 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 469 of 132 min( ) MATH/List m.
470 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 470 of 132 mRowAdd() MATH/Mat.
Appendix A: Functions and Instructions 471 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 471 of 132 NewData CATALOG NewData dataVar , list1 [ , list2 ] [ , list3 ] ... Creates data variable dataVar, where the columns are the lists in order.
472 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 472 of 132 NewPlot CATALOG Ne.
Appendix A: Functions and Instructions 473 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 473 of 132 The goal is six significant digits.
474 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 474 of 132 nPr( ) MATH/Probab.
Appendix A: Functions and Instructions 475 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 475 of 132 OneVar MATH/Statistics menu OneVar list1 [ [, list2 ] [, list3 ] [ , list4 ] ] Calculates 1-variable statistics and updates all the system statistics variables.
476 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 476 of 132 ord( ) MATH/String.
Appendix A: Functions and Instructions 477 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 477 of 132 part() CATALOG par.
478 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 478 of 132 By combining the variations of part() , you can extract all of the sub-expressions in the simplified result of expression1 .
Appendix A: Functions and Instructions 479 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 479 of 132 The example Program Editor function to the right uses getType() and part() to partially implement symbolic differentiation.
480 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 480 of 132 PlotsOff CATALOG PlotsOff [ 1 ] [ , 2 ] [ , 3 ] ... [ , 9 ] Turns off the specified plots for graphing.
Appendix A: Functions and Instructions 481 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 481 of 132 PopUp CATALOG PopU.
482 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 482 of 132 product( ) MATH/List menu product ( list [ , start [ , end ]]) ⇒ expression Returns the product of the elements contained in list .
Appendix A: Functions and Instructions 483 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 483 of 132 PtOff CATALOG PtOff x , y PtOff xList , yList Displays the Graph screen and turns off the screen pixel nearest to window coordinates ( x , y ).
484 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 484 of 132 PxlHorz CATALOG PxlHorz row [ , drawMode ] Displays the Graph screen and draws a horizontal line at pixel position row .
Appendix A: Functions and Instructions 485 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 485 of 132 PxlText CATALOG PxlText string , row , col Displays the Graph screen and places character string string on the screen, starting at pixel coordinates ( row , col ).
486 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 486 of 132 The QR factorization is computed numerically using Householder transformations.
Appendix A: Functions and Instructions 487 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 487 of 132 QuartReg MATH/Stat.
488 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 488 of 132 rand( ) MATH/Probability menu rand ([ n ]) ⇒ expression n is an integer ƒ zero.
Appendix A: Functions and Instructions 489 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 489 of 132 RclPic CATALOG Rcl.
490 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 490 of 132 ref( ) MATH/Matrix menu ref( matrix1 [ , tol ] ) ⇒ matrix Returns the row echelon form of matrix1 .
Appendix A: Functions and Instructions 491 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 491 of 132 Return CATALOG Return [ expression ] Returns expression as the result of the function.
492 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 492 of 132 rotate( list1 [ , #ofRotations ] ) ⇒ list Returns a copy of list1 rotated right or left by #of Rotations elements.
Appendix A: Functions and Instructions 493 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 493 of 132 rowNorm () MATH/Matrix/Norms menu rowNorm( matrix ) ⇒ expression Returns the maximum of the sums of the absolute values of the elements in the rows in matrix .
494 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 494 of 132 Send CATALOG Send list CBL 2 é /CBL é (Calculator-Based Laboratory é ) or CBR é (Calculator-Based Ranger é ) instruction.
Appendix A: Functions and Instructions 495 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 495 of 132 setFold( ) CATALOG setFold( newfolderName ) ⇒ oldfolderString Returns the name of the current folder as a string and sets newfolderName as the current folder.
496 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 496 of 132 setMode() CATALOG .
Appendix A: Functions and Instructions 497 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 497 of 132 setTable( ) CATALO.
498 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 498 of 132 Shade CATALOG Shad.
Appendix A: Functions and Instructions 499 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 499 of 132 shift( ) CATALOG shift( integer1 [ , #ofShifts ] ) ⇒ integer Shifts the bits in a binary integer.
500 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 500 of 132 ShowStat CATALOG ShowStat Displays a dialog box containing the last computed statistics results if they are still valid.
Appendix A: Functions and Instructions 501 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 501 of 132 simult ( coeffMatr.
502 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 502 of 132 sin ê ( squareMatrix1 ) ⇒ squareMatrix Returns the matrix inverse sine of squareMatrix1 .
Appendix A: Functions and Instructions 503 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 503 of 132 SinReg MATH/Statis.
504 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 504 of 132 For the EXACT setting of the Exact/Approx mode, portions that cannot be solved are returned as an implicit equation or inequality.
Appendix A: Functions and Instructions 505 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 505 of 132 If all of the equa.
506 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 506 of 132 Each solution variable starts at its guessed value if there is one; otherwise, it starts at 0.
Appendix A: Functions and Instructions 507 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 507 of 132 stdDev( matrix1 [ , freqmatrix ] ) ⇒ matrix Returns a row vector of the standard deviations of the columns in matrix1 .
508 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 508 of 132 string( ) MATH/String menu string ( expression ) ⇒ string Simplifies expression and returns the result as a character string.
Appendix A: Functions and Instructions 509 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 509 of 132 sum( matrix1 [ , start [ , end ]]) ⇒ matrix Returns a row vector containing the sums of the elements in the columns in matrix1 .
510 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 510 of 132 Table CATALOG Table expression1 [ , expression2 ] [ , var1 ] Builds a table of the specified expressions or functions.
Appendix A: Functions and Instructions 511 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 511 of 132 tan ê () TI - 89:.
512 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 512 of 132 tanh ê ( squareMatrix1 ) ⇒ squareMatrix Returns the matrix inverse hyperbolic tangent of squareMatrix1 .
Appendix A: Functions and Instructions 513 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 513 of 132 tExpand() MATHAlge.
514 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 514 of 132 tmpCnv() CATALOG t.
Appendix A: Functions and Instructions 515 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 515 of 132 Toolbar CATALOG Toolbar block EndTBar Creates a toolbar menu. block can be either a single statement or a sequence of statements separated with the “:” character.
516 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 516 of 132 TwoVar MATH/Statistics menu TwoVar list1 , list2 [ , [ list3 ] [ , list4 , list5 ] ] Calculates the TwoVar statistics and updates all the system statistics variables.
Appendix A: Functions and Instructions 517 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 517 of 132 variance( ) MATH/Statistics menu variance ( list [ , freqlist ] ) ⇒ expression Returns the variance of list .
518 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 518 of 132 Nest when() to define expressions that have more than two pieces.
Appendix A: Functions and Instructions 519 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 519 of 132 integer1 xor integer2 ⇒ integer Compares two real integers bit-by-bit using an xor operation.
520 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 520 of 132 zeros({ expression.
Appendix A: Functions and Instructions 521 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 521 of 132 For polynomial systems, computation time or memory exhaustion may depend strongly on the order in which you list unknowns.
522 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 522 of 132 ZoomData CATALOG Z.
Appendix A: Functions and Instructions 523 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 523 of 132 ZoomFit CATALOG Zo.
524 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 524 of 132 ZoomOut CATALOG ZoomOut Displays the Graph screen, lets you set a center point for a zoom out, and updates the viewing window.
Appendix A: Functions and Instructions 525 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 525 of 132 ZoomStd CATALOG ZoomStd Sets the window variables to the following standard values, and then updates the viewing window.
526 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 526 of 132 + (add) « key expression1 + expression2 ⇒ expression Returns the sum of expression1 and expression2 .
Appendix A: Functions and Instructions 527 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 527 of 132 expression - matrix1 ⇒ matrix matrix1 - expression ⇒ matrix expression ì matrix1 returns a matrix of expression times the identity matrix minus matrix1 .
528 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 528 of 132 expression à list1 ⇒ list list1 à expression ⇒ list Returns a list containing the quotients of expression divided by list1 or list1 divided by expression.
Appendix A: Functions and Instructions 529 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 529 of 132 = (equal) Á key e.
530 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 530 of 132 ≤ ¹µ key expre.
Appendix A: Functions and Instructions 531 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 531 of 132 . . (dot subt.) ¶| keys matrix1 . ì matrix2 ⇒ matrix expression .
532 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 532 of 132 & (append) TI - 89: ¥ p key TI - 92 Plus: 2 H key string1 & string2 ⇒ string Returns a text string that is string2 appended to string1 .
Appendix A: Functions and Instructions 533 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 533 of 132 ‰ () can be nested to do multiple integrals. Integration limits can depend on integration variables outside them.
534 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 534 of 132 ^ (power) Z key expression1 ^ expression2 ⇒ expression list1 ^ list2 ⇒ list Returns the first argument raised to the power of the second argument.
Appendix A: Functions and Instructions 535 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 535 of 132 ô (radian) MATH/Angle menu expression1 ô ⇒ expression list1 ô ⇒ list matrix1 ô ⇒ matrix In Degree angle mode, multiplies expression1 by 180/ p .
536 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 536 of 132 ¡ , ', " 2“ key ( ¡ ), 2È key ('), 2É key (") dd ¡ mm ' ss.
Appendix A: Functions and Instructions 537 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 537 of 132 4 (convert) 2 key expression_unit1 4 _ unit2 ⇒ expression_unit2 Converts an expression from one unit to another.
538 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 538 of 132 x ê CATALOG (^ -1 ) expression1 x ê ⇒ expression list1 x ê ⇒ list Returns the reciprocal of the argument.
Appendix A: Functions and Instructions 539 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 539 of 132 ! (store) § key expression ! var list ! var matrix ! var expression ! fun_name(parameter1,.
540 Appendix A: Functions and Instructions 8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 540 of 132.
Appendix B: Reference Information 541 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 541 of 34 Appendix B: Refer ence Infor mation TI - 89 / TI - 92 Plus Error Messages .
542 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 542 of 34 Error Number Description 10 A function did not return a value 20 A test did not resolve to TRUE or FALSE Generally, undefined variables cannot be compared.
Appendix B: Reference Information 543 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 543 of 34 Error Number Description 160 Argument must be an expression For example, zeros(2x+3=0,x) is invalid because the first argument is an equation.
544 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 544 of 34 Error Number Description 260 Domain error An argument must be in a specified domain.
Appendix B: Reference Information 545 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 545 of 34 Error Number Descripti.
546 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 546 of 34 Error Number Description 560 Invalid outside Loop..EndLoop, For..EndFor, or While.
Appendix B: Reference Information 547 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 547 of 34 Error Number Description 690 Missing ) 700 Missing " 710 Missing ] 720 Missing } 730 Missing start or end of block syntax 740 Missing Then in the If.
548 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 548 of 34 Error Number Description 850 Program not found A program reference inside another program could not be found in the provided path during execution.
Appendix B: Reference Information 549 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 549 of 34 Error Number Descripti.
550 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 550 of 34 Specifies the type of graphs you can plot.
Appendix B: Reference Information 551 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 551 of 34 Specifies the units in which angle values are interpreted and displayed in trig functions and polar/rectangular conversions.
552 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 552 of 34 Determines how 2-element and 3-element vectors are displayed. You can enter vectors in any of the coordinate systems.
Appendix B: Reference Information 553 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 553 of 34 Specifies which application is displayed on the screen. ¦ For a full screen, only Split 1 App is active.
554 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 554 of 34 Lets you perform calculations by entering numbers in decimal, binary, or hexadecimal form.
Appendix B: Reference Information 555 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 555 of 34 1. SOH 2. STX 3. ETX 4. EOT 5. ENQ 6. ACK 7. BELL 8. BS 9. TAB 10. LF 11.
556 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 556 of 34 Table 1: Key Codes for Primary Keys Key Modifier None ¤2¥ j Assoc. Value Assoc.
Appendix B: Reference Information 557 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 557 of 34 Table 1: Key Codes for Primary Keys (Continued) Key Modifier None ¤2¥ j Assoc.
558 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 558 of 34 Table 3: Greek Letters (prefixed by ¥ c ) Keys Second modifier j ¤ Assoc.
Appendix B: Reference Information 559 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 559 of 34 Table 1: Key Codes for Primary Keys Key Modifier None ¤2¥ Assoc. Value Assoc.
560 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 560 of 34 Table 1: Key Codes for Primary Keys (Continued) Key Modifier None ¤2¥ Assoc.
Appendix B: Reference Information 561 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 561 of 34 Table 2: Arrow Keys Ar.
562 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 562 of 34 Table 6: Greek Letters (prefixed by 2 G) Key Assoc.
Appendix B: Reference Information 563 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 563 of 34 A complex number has real and imaginary components that identify a point in the complex plane.
564 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 564 of 34 To enter the: Do this:.
Appendix B: Reference Information 565 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 565 of 34 Regardless of the Complex Format mode setting, undefined variables are treated as real numbers.
566 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 566 of 34 Floating-point (decimal) values in memory are stored using up to 14 digits with a 3-digit exponent.
Appendix B: Reference Information 567 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 567 of 34 y1(x)–y99(x)* y1&apo.
568 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 568 of 34 Level Operator 1 Paren.
Appendix B: Reference Information 569 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 569 of 34 The indirection operator (#) converts a string to a variable or function name.
570 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 570 of 34 Most of the regression.
Appendix B: Reference Information 571 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 571 of 34 Regression Description.
572 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 572 of 34 Based on your x and y Window variables, the distance between xmin and xmax and between ymin and ymax is divided into a number of grid lines specified by xgrid and ygrid .
Appendix B: Reference Information 573 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 573 of 34 The Bogacki-Shampine 3(2) formula provides a result of 3rd-order accuracy and an error estimate based on an embedded 2nd-order formula.
574 Appendix B: Reference Information 8992APPB DOC TI - 89/TI - 92 Plus:8992a pp b doc (English) Susan Gullord Revised: 02/23/01 1:54 PM Printed: 02/23/01 2:24 PM Page 574 of 34.
Appendix C: Service and Warranty Information 575 8992APPC.DOC TI-89 / TI-92 Plus: Appendix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:3 0 PM Page 575 of 8 Appendix C: Ser vice and W arranty Infor mation Battery Information .
576 Appendix C: Service and Warranty Information 8992APPC DOC TI - 8 9/T I - 92 Plus: A pp endix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:30 PM Page 576 of 8 8992APPC.
Appendix C: Service and Warranty Information 577 8992APPC.DOC TI-89 / TI-92 Plus: Appendix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:3 0 PM Page 577 of 8 1. If the TI - 89 is on, turn it off (press 2 ® ) to avoid loss of information stored in memory.
578 Appendix C: Service and Warranty Information 8992APPC DOC TI - 8 9/T I - 92 Plus: A pp endix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:30 PM Page 578 of 8 8992APPC.DOC TI-89 / TI-92 Plus: Appendix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:3 0 PM Page 578 of 8 1.
Appendix C: Service and Warranty Information 579 8992APPC.DOC TI-89 / TI-92 Plus: Appendix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:3 0 PM Page 579 of 8 If: Suggested action: You cannot see anything on the display. Press ¥« to darken or ¥| to lighten the display contrast.
580 Appendix C: Service and Warranty Information 8992a pp c doc TI - 8 9/T I - 92 Plus: A pp endix C (US English) Susan Gullord Revised: 01/19/02 9:40 AM Printed: 01/19/02 9:41 AM Page 580 of 8 8992appc.
Appendix C: Service and Warranty Information 581 8992APPC.DOC TI-89 / TI-92 Plus: Appendix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:3 0 PM Page 581 of 8 One-Year Limi.
582 Appendix C: Service and Warranty Information 8992APPC DOC TI - 8 9/T I - 92 Plus: A pp endix C (US English) Susan Gullord Revised: 02/23/01 1:56 PM Printed: 02/23/01 4:30 PM Page 582 of 8 8992APPC.
Appendix D: Programmer’s Guide 583 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 583 of 8 Appendix D: Pr ogrammer’ s Guide setMode( ) and getMode( ) .................................................
584 Appendix D: Programmer’s Guide 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 584 of 8 Parameter/Mode Setting Strings ALL 0 Graph 1 FUNCTION 1 PAR.
Appendix D: Programmer’s Guide 585 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 585 of 8 Parameter/Mode Setting Strings FLOAT 10 24 FLOAT 11 25 FLOA.
586 Appendix D: Programmer’s Guide 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 586 of 8 Parameter/Mode Setting Strings Graph 2 12 FUNCTION 1 PARAME.
Appendix D: Programmer’s Guide 587 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 587 of 8 Parameter/Mode Setting Strings Coordinates 1 RECT 1 POLAR 2.
588 Appendix D: Programmer’s Guide 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 588 of 8 Parameter/Mode Setting Strings Fields 9 SLPFLD 1 DIRFLD 2 F.
Appendix D: Programmer’s Guide 589 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 589 of 8 Parameter/Mode Setting Strings Graph <->Table 1 OFF 1.
590 Appendix D: Programmer’s Guide 8992APPD.DOC Appendix D Susan Gullord Revised: 02/23/01 1:57 PM Printed: 02/23/01 2:25 PM Page 590 of 8.
Index 591 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 591 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01.
592 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 592 of 16 A (continued) angle( ) , angle, 415 angle, ± , 535 angle, angle( ) , 415 ans( ) , last answer, 50 , 416 APD (Automatic Power Down), 14 append, & , 293 , 532 .
Index 593 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 593 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01.
594 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 594 of 16 D (continued) derivatives, 10 first derivative, d ( ) , 10 , 66 , 75 ,.
Index 595 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 595 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01.
596 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 596 of 16 F (continued) field off, FLDOFF , 180 , 185 , 199 field picture, fldpic , 183 Fill , matrix fill, 448 Flash applications, 4 , 38 , 45 , 79, 353, 356.
Index 597 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 597 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01.
598 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 598 of 16 K keyboard, 16 , 17 j (alpha) key, 18 ¥ (diamond) key, 18 ‚ (hand) .
Index 599 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 599 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 599 of 16 M (continued) dimension, dim( ) , 437 dot addition, .
600 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 600 of 16 N natural log base, e , 80 natural logarithm, ln( ) , 463 ncontour win.
Index 601 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 601 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01.
602 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 602 of 16 P (continued) return, Return , 286 , 287 , 491 running, 278 .
Index 603 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 603 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01.
604 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 604 of 16 S (continued) shift, shift( ) , 293 , 499 string to expression, expr( .
Index 605 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 605 of 16 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01.
606 Index 8992INDX.DOC TI-89: Index (US English) Susan Gullord Revised: 02/26/01 3:52 PM Printed: 02/26/01 3:55 PM Page 606 of 16 X xgrid window variable, 158 xmax window variable, 113 , 131 , 137 , 1.
An important point after buying a device Texas Instruments TI-89 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Texas Instruments TI-89 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Texas Instruments TI-89 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Instruments TI-89 you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Instruments TI-89 will certainly help you make a decision on the purchase.
If you already are a holder of Texas Instruments TI-89, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Instruments TI-89.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments TI-89. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments TI-89 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
