The calculator looks like a calculator you may use in your office:

C key

This key clears the entire calculator.

del key

This key works like the backspace key by deleting figures in the main operation field

/ key (slash)

Select this key for division.

* key (asterisk)

Select this key for multiplication.

- key (minus sign)

Select this key for subtraction.

+ key (plus sign)

Select this key for addition.

Negate key (plus/minus)

This key changes the sign of the amount in the main operation field

= key (equal sign)

This key totals your entries, closes the Calculator window and enters this total in the field.

Register Tape

This area, in the right side of the window, displays all numbers and functions entered for this field.