Home / Math
Math Calculators
General-purpose math tools: fractions, ratios, roots, statistics.
SCScientific CalculatorA full scientific calculator supporting trig functions, logarithms, exponents, and more.FRFraction CalculatorAdd, subtract, multiply, or divide fractions and get the answer simplified, with a decimal equivalent.AVAverage CalculatorCalculate the mean, median, mode, count, and sum of any list of numbers.RARatio CalculatorSimplify a ratio to its lowest terms and find its decimal equivalent.PRProportion CalculatorSolve for the missing value in a proportion (A is to B as C is to X).SRSquare Root CalculatorCalculate the square root or any nth root of a number.EXExponent CalculatorCalculate any number raised to any power, including fractional and negative exponents.LCLCM CalculatorFind the Least Common Multiple (LCM) of two or more numbers.GCGCF CalculatorFind the Greatest Common Factor (GCF), also called GCD, of two or more numbers.RORounding CalculatorRound any number to a specified number of decimal places, rounding up, down, or to the nearest value.SDStandard Deviation CalculatorCalculate standard deviation, variance, and mean for a sample or population data set.PRProbability CalculatorCalculate the probability of a single event, or the combined probability of two events with AND/OR logic.RNRandom Number CalculatorGenerate one or more random whole numbers within a specified range.PNPrime Number CalculatorCheck whether a number is prime, or list all prime numbers up to a given limit.SNScientific Notation CalculatorConvert a number to scientific notation, or convert scientific notation back to a decimal number.