Datexx DS-700-30Xa - Manual (Page 3)

Keys
ON : Turns the power ON and resets the calculator. The
power turns off automatically after a few minutes if no key
is pressed. The memory is not reset when ON is pressed.
OFF : Press to turn OFF the calculator.
C/CE : Press to delete a number in the display, Press
twice to clear the current calculation.
EXP : Exponent key. Press to enter exponents
Ex. 40X10 Press 4 0 EXP 22 (40 ) is displayed
+/– Changes the sign of the displayed mantissa and
exponents
> Backspace Key : Clears the last digit from the display
and shifts the other digits to the right.
Mode Select Keys
INV : Press to perform the function above the keys.
MODE : Press to select the calculation mode.
Then press 1 – 5 to select the Mode:
Press Mode Displayed
1 Decimal DEG
2 Binary BIN
3 Octal OCT
4 Hexadecimal HEX
5 Statistical SD DEG
Display Mode Keys
5
FEATURES
Large 10 + 2 Digit Display
Calculates Mixed and Improper
Fractions
Up to 15 levels of Parenthesis
Binary / Octal / Decimal /
Hexadecimal Calculation Modes
Common and Natural Logarithms
Advanced Statistical Functions
Boolean Logic calculations
Auto Power off saves batteries
Battery powered
Protective Case
Folding stand for best viewing
angle
4
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