IBM 1483DSV Personal Computer User Manual


 
701344-003 6-5
Calculator Operation
Binary Calculator
Figure 6-2. Simulated Binary Calculator
Binary Mathematical Operations
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.
2
1111111000000
=
*
-
+
÷C/E
& | XOR
1
0
PF10 PF16
Results Field
XX
XMMX M + X
+/-