Math Tools

Check if a number is prime and see its factors if not.

Calculate the factorial of any non-negative integer.

Calculate the greatest common divisor and least common multiple of two numbers.

Solve ax² + bx + c = 0 for real or complex roots.

Calculate the mean, median and mode of a list of numbers.

Calculate standard deviation and variance for a data set.

Simplify a ratio to its lowest terms.

Convert a number into its written-out English words.