Usage

The usage is almost the same as the Windows calculator. The main arithmetic operations (+,-*,/)  are available after the setup. To gain access to other operations, the end-user has to press the Control Button used to control monitoring slots.

Particular operations

·Percent

The percent calculates by using this expression:

A <OPE> (B% of A)

A is first input

OPE can be +,-,*, /

B is second input

·Result button (=)

If the end-user presses a second time on the result button, the application repeats the last operation.