Math & Numbers

Evaluate mathematical expressions safely — supports arithmetic, trig, logs, sqrt, and more.

Check if a number is prime, find primes up to N, prime factorization, and nearest prime finder.

Calculate percentages, percent change, and percent increase/decrease instantly.

Compute mean, median, mode, variance, standard deviation, and quartiles from a list of numbers.

A full scientific calculator with trig, logs, powers, and memory functions.

Generate random integers or decimals within a range, with optional uniqueness and precision controls.

Add, subtract, multiply, transpose, and invert matrices with determinant calculation.

Solve right triangles — find the missing side, area, perimeter, and angles.

Calculate Body Mass Index from height and weight, with metric and imperial units.

Add, subtract, multiply, and divide fractions, and simplify to lowest terms.