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Math Functions - Free Online | FunToolX

Use Math Functions online for free, no download required. FunToolX offers hundreds of fun online tools.

Math Functions

Enter an expression of x (e.g. sin(x)*x, exp(-x*x)), evaluate over a range and plot the curve.

Supports: sin cos tan exp log sqrt abs pow(x,y) PI E, and + - * / ^ ( )

About this tool

Math Functions is a free online tool. Factorial, permutations, GCD, LCM and primality.

Enter numbers to calculate factorial, permutation number, combination number, greatest common divisor, least common multiple, and determine whether it is a prime number. Support large numbers calculation, and the results display accurate values.

All calculations are done on the browser side, using high-performance algorithms to handle large numbers. The results support scientific numeration to show that long numbers can be replicated.

Suitable for students, teachers, programmers and other scenarios that need to perform mathematical calculations quickly. Covers common mathematical functions without memorizing formulas.

Commonly used mathematical function tools provide calculations such as factorial, permutations and combinations, greatest common divisor, least common multiple and prime number judgment.