A LITTLE HELP FOR YOUR NEXT TASK
Calculator
A clean keyboard-friendly calculator with percentages, scientific functions, and session history.
Processed locally in your browserScientific controls & history
How to use Calculator
- Type an expression or use the keypad; Enter calculates and Escape clears.
- Use percentages, parentheses, and the optional scientific controls.
- Copy a result or reuse an entry from session history.
Useful things to know
Uses floating-point arithmetic and rounds display to 12 significant digits; this is not an arbitrary-precision financial calculator. Percentages on the right of +/− are relative to the left value (200 + 10% = 220). Other percentages divide by 100. Degree/radian mode affects trigonometry. History clears on navigation/reload.
Is Calculator free, and how is my privacy handled?
Yes. Calculator is free to use without registration. Tool inputs are processed in your browser rather than uploaded to our servers. Optional usage analytics follows your cookie preferences; it does not receive your files or tool inputs. Keep your browser updated and review results before sharing.