Instruction/ maintenance manual of the product DS-700 Datexx
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Owner's Manual SCIENTIFIC CALCULA T OR DS-700 Please read bef ore operating the unit.
This Date xx DS-700 Scientific Calculator is designed f or a v ariety of scientific, statistical and computer uses. It provides man y impor tant functions necessar y f or comple x cal- culations. FEA TURES Remov ab le protectiv e cov er doub les as a base f or the calculator .
HYP Hyperbolic function designation symbol Appears when a h yperbolic function is designated. DEG Degree mode symbol Appears when degree mode is desig- nated or shows that the angular mode of the conv erted result is in degrees.
SETTING UP DISPLA Y FORMA T Display Format Press T AB ke y to change f ormat from floating point to scientific notion Change to scientific notion Change to floating point Setting Decimal P oint Press .
Example: Decimal P oint 6 Please note: Once the decimal point is set, it will remain after power is off , to resume decimal point 2 (def ault), Please set the decimal point to 2 again. Example: Setting back to Decimal P oint 2 OPERA TING THE CALCULA T OR P o wer off key Press to turn off the calculator .
Used with trigonometr ic func- tions f or arc h yperbolic calcu- lations. T rigonometric / Inver se T rigonometric function keys Press f or the desired trigono- metric function.
Calculates the antilogarithm base e of the displa yed n um- ber . Common logarithm / antilog- arithm and hexadecimal number key Press to obtain the base 10 logarithm of the display ed number . He xadecimal number F k e y (HEX mode only). Press to obtain the base 10 antilogarithm of the display ed number .
Right Shift / Complex num- ber mode key Press to delete the last num- ber ke y pressed. Press to set the comple x num- ber mode. Enter Exponent / Pi and Hexadecimal n umber key Press to enter a number in scientific notation. He xadecimal number A k e y (HEX mode only).
Press to enter an open paren- thesis in the displa y . Press to e xchange the dis- pla yed n umber with the num- ber from the working register (x -> y) Close parenthesis / statisti- cal calculation key Press to enter a close paren- thesis in the displa y .
Plus / Decimal number key Press f or addition. Press to conv ert the display ed number to a decimal number (base 10). Memory-in / statistical calcula- tion key Press to store the displa yed n um- ber into memor y . T o clear the memor y , press the ON/C ke y then the x-> m ke y .
ONE F ACT OR OPERA TIONS One-F actor operations require the entr y of only one mathematical function. The single f actor is entered into the calcula- tion when you press the function k e y . Y ou do not hav e to press = to complete the calculation. Some one-f actor functions include √ , cos, sin, tan and log.
CORRECTING O VERFLO W ERRORS If a calculated result e xceeds the dis- pla y ability or the memor y capacity , the displa y stops and E appears in the displa y . Press [ ON/C ] to resume calculating. The range of calculated results and memor y capacity are within the range of 1 x 10 -99 to 9.
SCIENTIFIC NO T A TION Calculate (72.5 x 10 20 = 1.75 x 10 20 ) (-4.7 x 10 -11 ) = -1.57978 x 10 32 If a result is displa yed in scientific notation, you can press [ F <--> E ] to conv ert the number to floating point and vice- v ersa.
T o calculate cos-1 0.5 = 66.666666 grads T o calculate tan π /5 = 0.72654253 T o calculate sin 30˚ x √ 5 = 1.118034 T o calculate 90˚ = 1.5707963 radians = 100 grads PERCENT A GE LOGARITHM AND EXPONENTIAL TRIGONOMETRIC CALCULA TIONS Repeatedly press DEG to select degrees , radians or gr ads as the trigonometr ic unit.
APPLICA TIONS AND EXAMPLES BUSINESS Calculate the future value of a $1000 in v est- ment compounded annually at a rate of 6% f or 7 years . FV = p (1+i )n = 1000 (1+0.06) 7 = 1503.63 PHYSICS If a ball is thrown upwars with a v elocity of 75 feet per second, what is its v elocity at the end of 1.
ELECTRONICS Amplifier Gain Calculate the v alue of A v V oltage gain A V = 20 log V o/ Vi = 20 log 3 1x10 -3 =69.54242509dB In another right tr iangle, A = 6 f eet and C = 15 degrees . Determine the value of a, b and B. sin a = A /C sin a = 6 / 15 = 0.
REPLA CING THE B A TTERIES This calculator is powered b y two internal batteries LR 44 or A76. If the display gets dim or calculations slow do wn the batteries should be replaced. T o replace the batteries: 1.Remov e the six scre ws on the back of the calculator and lift off the back co v er .
Datexx Limited W arranty This product is warranted against defects for 1 year from date of purchase. W ithin this period, we will replace or repair it, at our option, without charge for parts and labor , with the exception of accessories such as batteries, wallets, etc.
An important point after buying a device Datexx DS-700 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Datexx DS-700 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 Datexx DS-700 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Datexx DS-700 you will learn all the available features of the product, as well as information on its operation. The information that you get Datexx DS-700 will certainly help you make a decision on the purchase.
If you already are a holder of Datexx DS-700, 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 Datexx DS-700.
However, one of the most important roles played by the user manual is to help in solving problems with Datexx DS-700. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Datexx DS-700 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
