Scientific Calculator
Expressions, functions and a running history.
Evaluate arithmetic, powers, roots, trigonometry and factorials in the browser. Nothing is sent to a server, and expressions are parsed instead of executed as code.
About this tool
A full scientific calculator in the browser. Type an expression such as sin(30) + 2^10 or √144 × 3 and get the result instantly, with every calculation kept in a history you can reuse.
How to use it
- 01
Type an expression with the keyboard or the on-screen keys.
- 02
Press Enter or = to evaluate it; the result appears at once.
- 03
Pick an earlier result from the history to continue from it.
Frequently asked questions
Which functions does the calculator support?
Arithmetic, brackets, powers, roots, trigonometric functions, logarithms, factorials and constants such as π and e.
Is it safe to use?
Yes. The expression is parsed, not executed as code, and the calculation happens on your device.