IBM 1483DSV Personal Computer User Manual


 
701344-003 6-7
Calculator Operation
Hex Mathematical Operations
Use the numeric keys on the numeric keypad (0 through 9) and the keys A through F to
enter numbers to be operated on. You can also use the main keypad to enter numbers
(0 through 9) and the keys A through F.
After entering a number, enter the mathematical symbol designating the operation to be
performed. For the 104-key keyboard, the main keypad must be used.
+ for addition
- for subtraction
* for multiplication
÷ or / for division
X (main keyboard) for logical XOR
! or | (main keyboard) for logical OR
& (main keyboard) 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.
Other Calculator Functions
Press the C/E key once to clear the current entry. Press the C/E key again to clear the
current total. You can also use the Clear key on the main keyboard.
Press the M + X key to add the currently displayed value to memory. M is displayed at
the bottom of the Results field to indicate that there is a number in memory.
Press the M
X key to recall and display the memory contents. The memory contents
are recalled in the current Calculator mode equivalent value regardless of the mode in
which the value was saved. For example, if 128 is saved with the Decimal calculator and
recalled with the Hex calculator, 80
16
is displayed in the Results field.
Press the X
M key to store the currently displayed value in memory. Press this key
with zero in the Results field to clear the memory.
Press the
X key to import the value from the current cursor position on the coax
screen to the Results field on the calculator. The import field holds a maximum of 13
digits.
Press the X
key to export the value in the Results field to the current cursor
position on the coax screen.
Press the PF1 key to toggle the calculator simulation between full simulation display and
display of the Results field only.