Math Calculators
Scientific, percentage, fraction, statistics, algebra and geometry calculators with step-by-step explanations.
Basic CalculatorSimple online calculator for everyday arithmetic.Scientific CalculatorTrig, logs, exponents, factorials, memory and history.Percentage CalculatorX% of Y, percent change, difference and more.Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers.Average CalculatorMean, sum, count, median and geometric mean.Standard Deviation CalculatorSample or population SD and variance.Probability CalculatorTwo events or repeated binomial trials.Statistics CalculatorMean, median, mode, quartiles, IQR, SD and more.Triangle CalculatorSolve sides, angles, area from SSS, SAS or ASA.Area CalculatorArea and perimeter of common 2D shapes.Volume CalculatorVolume and surface area of 3D shapes.Ratio CalculatorSolve proportions A:B = C:D and simplify ratios.Quadratic Formula CalculatorSolve ax² + bx + c = 0, including complex roots.Slope CalculatorSlope, line equation, distance and midpoint of two points.Exponent CalculatorRaise any number to any power with high precision.Log CalculatorLogarithms in base 10, e, 2 or any base.Matrix CalculatorMultiply, invert, determinant, rank and more.Prime Factorization CalculatorPrime factors, primality and divisors.Greatest Common Factor CalculatorGCF/GCD of two or more numbers with steps.Least Common Multiple CalculatorLCM of two or more numbers.Rounding CalculatorRound to decimals, sig figs or place value.Permutation and Combination CalculatornPr and nCr, with or without repetition.Z-score CalculatorZ-scores, normal probabilities and percentiles.Confidence Interval CalculatorCI for a mean (t or z) or a proportion.
About Math Calculators
From everyday percentages to quadratic equations and matrices, these math calculators show not only the answer but how it was found. Statistics tools accept lists of numbers you can paste from a spreadsheet, and geometry tools support any consistent unit.