IBM 1483DSV User Manual

Use the numeric keys on the numeric keypad or the main keypad (1 or 0) to enter numbers
for calculation. After entering a number, enter the mathematical symbol designating the
operation to be performed. For the 104-key keyboard, you must use the main keypad.

+ for addition

- for subtraction

* for multiplication

÷ or / for division

X or XOR for logical XOR

! or | for logical OR

& for logical AND

If you want to enter a negative number, enter the number and then press the +/- key
indicated on the calculator simulation. Press the = key on the calculator simulation (or
on the main keypad) to display the result of your computation in the calculator’s Results
field.

If a calculation causes a result larger than the Results field maximum of 13 digits, the
overflow symbol 

 is displayed. Press C/E (Clear Entry [Clear on the 104-key keyboards])

to continue with calculations.