Tools/Math Expression Evaluator
Calculators & Time

Math Expression Evaluator

Type any math expression — arithmetic, trig, roots, logs — and get the result instantly, with a running history of past calculations.

Free & unlimitedRuns in your browserNo sign-up required
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How it works

Three steps, no setup

1

Type an expression

Supports +, -, *, /, ^, sqrt, sin, cos, tan, log, and constants like pi and e.

2

Get the result instantly

Evaluation happens as you type, no equals key required.

3

Review your history

Previous calculations stay listed for the session so you can reference them.

Common questions

Frequently asked questions

Does it respect order of operations?
Yes, standard operator precedence and parentheses grouping are both applied correctly.
Are trig functions in degrees or radians?
Trigonometric functions operate in radians by default, matching standard mathematical and programming conventions.
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