Desk Calculator

Calculate 1.3

0

How to use

Click a number key to start entering a value.
Click an operator (÷ × − +) to choose your operation.
Enter the second number, then click = to see the result.
Click C at any time to clear and start over.
Use ± to flip the sign, or % to convert to a percent.

Tip: keyboard input is supported. Type numbers, + − × ÷, press Enter to calculate, Backspace to delete a digit, and Esc to clear.