Math Expression Evaluator
NewEvaluate mathematical expressions safely — supports arithmetic, trig, logs, sqrt, and more.
Safe expression parser
Math Expression Evaluator
Evaluate mathematical expressions safely — supports arithmetic, trig, logs, sqrt, and more.
Supports + - * / ^ % sqrt() sin() pi n! and more.
Result
Enter an expression to calculate.
History
Last 10No calculations yet.
Frequently Asked Questions
What does the Math Expression Evaluator do?
The Math Expression Evaluator performs math calculations entirely in your browser. It handles a wide range of numeric inputs and is designed for both speed and accuracy.
How accurate are the results from Math Expression Evaluator?
The tool uses JavaScript's 64-bit IEEE 754 double-precision floating-point arithmetic, providing 15–17 significant decimal digits of precision — sufficient for most scientific and engineering applications.
What number formats does Math Expression Evaluator support?
The tool accepts integers, decimals, fractions, and scientific notation. Results are clearly formatted and can be copied as plain numbers or in exponential notation.
Can I use Math Expression Evaluator for educational purposes?
Yes. Where applicable the tool displays step-by-step breakdowns, making it useful for students learning mathematical concepts or verifying homework calculations.
Is Math Expression Evaluator free?
Yes, completely free with no limits or sign-up required. All calculations run locally in your browser with no data sent to any server.