Math calculators
Everyday and school maths made easy: basic and scientific calculators, fractions, percentages, roots, logs, factors, matrices, number bases and more.
Basic CalculatorAdd, subtract, multiply and divide with memory keysScientific CalculatorTrig, logs, powers, roots and factorials in degrees or radiansFraction CalculatorAdd, subtract, multiply and divide fractions with stepsPercentage CalculatorPercent of a number, percent change, increase and decreaseRandom Number GeneratorRandom numbers in any range, with or without repeatsPercent Error CalculatorHow far a measured value is from the true valueExponent CalculatorRaise any number to any power, including negative and fractionalBinary CalculatorAdd, subtract, multiply, divide and AND, OR, XOR on binaryHex CalculatorAdd, subtract, multiply, divide and bitwise ops on hexadecimalHalf-Life CalculatorRemaining amount, time, half-life or starting amountQuadratic Formula CalculatorSolve ax² + bx + c = 0 with real or complex rootsLog CalculatorLog base 10, e, 2 or any base, plus antilogRatio CalculatorSolve A : B = C : D or simplify a ratioRoot CalculatorSquare root, cube root or any n-th rootLeast Common Multiple CalculatorLCM of two or more numbers with prime factorisationGreatest Common Factor CalculatorGCF (GCD, HCF) of numbers with Euclid's stepsFactor CalculatorPrime factors, all factors and factor pairsRounding CalculatorRound to decimals, significant figures or a multipleMatrix CalculatorAdd, multiply, invert and find determinants of matricesScientific Notation CalculatorConvert to scientific notation and calculate with itBig Number CalculatorExact arithmetic on integers of any size