Scientific Calculator

Why use Scientific Calculator?

Scientific Calculator gives you accurate results instantly, with the underlying formula shown so you can trust the numbers.

• Runs instantly in your browser — nothing to install, nothing uploaded.
• Completely free, with no account, no watermarks and no usage limits.
• Handles Operators: + − × ÷ ^ %; Functions: sin, cos, tan, asin, acos, atan, sqrt, cbrt, ln, log, log2, exp, abs; Constants: pi, e.
• Type an expression, or use the button pad.
• Works on any device — desktop, tablet and phone — and is fully keyboard accessible.

How to use Scientific Calculator

1. Type an expression, or use the button pad.
2. Use functions like sin(), log(), sqrt() and constants pi and e.
3. Toggle degrees for trigonometric functions if needed.
4. Press = or Enter to evaluate.

Examples

• sin(45) + 2^3 in degree mode.
• log(1000) + sqrt(16).

Formulas

• Operators: + − × ÷ ^ %
• Functions: sin, cos, tan, asin, acos, atan, sqrt, cbrt, ln, log, log2, exp, abs
• Constants: pi, e

Limitations

• Expressions are parsed with a safe evaluator (no eval).
• Uses JavaScript floating-point, so tiny rounding differences can appear.
• Trig defaults to radians unless degrees is enabled.