Arithmetic & numbers
Fraction Calculator
Enter two fractions (like 3/4 or -5/2), pick an operation and press Calculate. The answer is always fully simplified.
Arithmetic & numbers
Fractions, factors, powers, roots and number operations.
Arithmetic & numbers
GCD and LCM Calculator
Enter two or more positive whole numbers separated by commas or spaces.
Arithmetic & numbers
Prime Factorization Calculator
Enter a whole number from 2 to 1,000,000,000,000 to see its prime factors.
Arithmetic & numbers
Square Root & Nth Root Calculator
Find a square root, cube root or any root up to the 10th — simplified exactly (like √72 = 6√2), with the decimal.
Arithmetic & numbers
Exponent Calculator
Work out powers like 2⁵, (2/3)³, 2⁻³ or 8^(2/3) exactly, with the exponent rule used at each step.
Arithmetic & numbers
Scientific Notation Converter
Write very large or very small numbers in scientific notation (standard form), or turn them back into ordinary numbers.
Arithmetic & numbers
Decimal ↔ Fraction Converter
Convert decimals to fractions in simplest form — including recurring decimals like 0.1666… — and fractions to decimals and percentages.