Math Calculators

Scientific Calculator Full-featured scientific calculator with trig, logarithms, powers, and more. Fraction Calculator Add, subtract, multiply, and divide fractions with automatic simplification. Percentage Calculator Solve all types of percentage problems — find %, what % of X is Y, and percentage change. Triangle Calculator Solve any triangle from sides and angles — SSS, SAS, ASA, AAS configurations. Standard Deviation Calculator Calculate mean, median, variance, and standard deviation for any data set. Prime Factorization Calculator Find the prime factors of any positive integer and check if a number is prime. Quadratic Formula Calculator Solve any quadratic equation ax² + bx + c = 0 using the quadratic formula. GCF & LCM Calculator Find the Greatest Common Factor (GCF) and Least Common Multiple (LCM) of any numbers. Matrix Calculator Add, subtract, multiply matrices and calculate determinant and transpose. Ratio Calculator Simplify ratios, solve proportions, and scale ratios up or down. Average Calculator Calculate mean, weighted average, geometric mean, and harmonic mean. Rounding Calculator Round numbers to any decimal place, significant figures, or nearest integer. Significant Figures Calculator Round a number to any number of significant figures and identify sig figs.