Math & Algebra Calculators

Percentages, fractions, statistics, quadratics, and scientific math. Designed with strict formula verification and clear breakdowns.

9 verified calculators in this collection

Calculate percent of values, percent changes, and ratio proportions instantly

Add, subtract, multiply, divide fractions and convert to mixed numbers and decimals

Simplify ratios, solve proportions for missing values, and split totals

Calculate mean, median, mode, range, variance, and standard deviation for datasets

Calculate event probabilities, combinations (nCr), and permutations (nPr)

Compute exact factorials (n!) with arbitrary BigInt precision up to 170

Find Greatest Common Divisor and Least Common Multiple for two or more numbers

Solve ax² + bx + c = 0 with step-by-step discriminant, real, and complex roots

Perform advanced trigonometry, logarithms, powers, and scientific functions