Math Calculators

X% of a number, percentage change & more

Simplify ratios and find proportional values

Square root, cube root & nth root

Natural log, log base 10 and custom base

n! Factorial, permutations & combinations

Solve ax² + bx + c = 0

Check if a number is prime & find factors

Binary, Octal, Decimal, Hex conversions

Mean, median, mode, range, variance

Variance, std dev, skewness from a dataset

Determinant, inverse, trace of a 2×2 matrix

nCr, nPr, and event probability

Least Common Multiple & Greatest Common Divisor

Convert between Arabic and Roman numerals

Area, perimeter, angles — all triangle types

Trigonometry, logarithms, powers and more

Add, subtract, multiply and divide fractions with simplification

Mean, variance, standard deviation from raw data

Solve ax + b = c for any single variable

Area, circumference, arc length, sphere volume

Calculate determinant of a 3×3 matrix

Add, subtract, multiply, divide complex numbers (a + bi)