The most simple mathematical operations: addition, subtraction, multiplication, division. This is a simplified
version of the online calculator. The full version you can get and use here: http://calculator-1.com
Entering commands from the keyboard
For the work of the simple calculator
You can use both ordinary numeric buttons above the keyboard and separate numeric buttons on the right.
To enter [ = ], you can use the [Enter].
To erase the last character you can use the key to erase the last character [ Backspace ] (arrow keys).
To enter the sign [ + ] you can use either the [ + ] key at the top or press the [ + ] on the numeric keypad on the right.
To enter the sign [ - ] you can use either the [ - ] key at the top or press the [ - ] on the numeric keypad on the right.
To enter a [ x ] (multiplication) you can use the [ * ] key on the numeric keypad to the right.
To enter a [ ÷ ] (divide) you can use the [ / ] key on the numeric keypad to the right.