Which functions are supported?

The calculator supports + − × ÷, powers (^), factorials (!), parentheses, the constants pi and e, and the functions sin, cos, tan, asin, acos, atan, ln, log, sqrt, abs, and exp.

How do I switch between degrees and radians?

Use the degrees checkbox. When checked, trig functions treat inputs and outputs in degrees; when unchecked, they use radians.

Scientific Calculator

Q: Does it use eval or run any remote code?

No — expressions are parsed with a safe custom parser, never JavaScript eval, and nothing is sent to a server.

Evaluate expressions with trig, logs, roots, powers, and factorials.

Scientific calculator

Type any math expression and get the answer instantly. Supports trigonometry, logarithms, square roots, powers, factorials, parentheses, and the constants pi and e.

Expressions are parsed with a safe custom parser — never JavaScript eval — and everything runs locally in your browser, so nothing is uploaded.