Datexx DS-700 User Manual

Owner's ManualSCIENTIFIC CALCULATORDS-700Please read before operating the unit

Plus / Decimal number keyPress for addition.Press to convert the displayednumber to a decimal number(base 10).Memory-in / statistical calcula-tion key

ONE FACTOR OPERATIONSOne-Factor operations require the entryof only one mathematical function. Thesingle factor is entered into the calcula-tion when

CORRECTING OVERFLOW ERRORSIf a calculated result exceeds the dis-play ability or the memory capacity,the display stops and E appears inthe display. Pr

SCIENTIFIC NOTATIONCalculate(72.5 x 10 20= 1.75 x 10 20)(-4.7 x 10-11)= -1.57978 x 10 32If a result is displayed in scientificnotation, you can press

To calculatecos-1 0.5 = 66.666666 gradsTo calculatetan π/5 = 0.72654253To calculatesin 30˚ x √ 5 = 1.118034To calculate 90˚ = 1.5707963 radians= 100 g

APPLICATIONS AND EXAMPLESBUSINESSCalculate the future value of a $1000 invest-ment compounded annually at a rate of 6% for7 years.FV = p (1+i )n= 1000

ELECTRONICSAmplifier GainCalculate the value of AvVoltage gain AV= 20 log Vo/ Vi= 20 log 3 1x10-3=69.54242509dBIn another right triangle,A = 6 f

REPLACING THE BATTERIESThis calculator is powered by two internalbatteries LR 44 or A76. If the displaygets dim or calculations slow down thebatteries

Datexx Limited WarrantyThis product is warranted against defects for 1 year fromdate of purchase. Within this period, we will replace orrepair it, at

This Datexx DS-700 ScientificCalculator is designed for a variety ofscientific, statistical and computeruses. It provides many importantfunctions nece

HYP Hyperbolic function designation symbolAppears when a hyperbolic function isdesignated.DEG Degree mode symbolAppears when degree mode is desig

SETTING UP DISPLAY FORMATDisplay FormatPress TAB key to change format fromfloating point to scientific notionChange to scientific notionChange to floa

Example: Decimal Point 6Please note:Once the decimal point is set, it willremain after power is off, to resumedecimal point 2 (default), Please setthe

Used with trigonometric func-tions for arc hyperbolic calcu-lations.Trigonometric / InverseTrigonometric function keysPress for the desired trigono-me

Calculates the antilogarithmbase e of the displayed num-ber.Common logarithm / antilog-arithm and hexadecimalnumber keyPress to obtain the base 10lo

Right Shift / Complex num-ber mode keyPress to delete the last num-ber key pressed.Press to set the complex num-ber mode.Enter Exponent / Pi andHexade

Press to enter an open paren-thesis in the display.Press to exchange the dis-played number with the num-ber from the working register(x -> y)Close