All Calculators

Percentage Calculator

Calculate percentages, percentage change, and percentage of a number instantly.

★ Popular

Scientific Calculator

Full-featured scientific calculator with trig, logarithms, and advanced functions.

★ Popular

Fraction Calculator

Add, subtract, multiply and divide fractions with step-by-step solutions.

Quadratic Equation Solver

Solve ax²+bx+c=0 and find real or complex roots with step-by-step working.

Statistics Calculator

Mean, median, mode, standard deviation, and variance for any data set.

Prime Number Checker

Check if a number is prime and find all prime factors instantly.

GCD & LCM Calculator

Find the Greatest Common Divisor and Least Common Multiple of multiple numbers.

Random Number Generator

Generate random numbers, lists, and roll dice with full customization.

Average Calculator

Calculate mean, weighted average, and running average for any numbers.