Math calculators
Explore arithmetic, algebra, geometry, statistics and number theory with transparent formulas and worked examples.
Popular math tools
MathScientific CalculatorUse the scientific tool with expression. See results, the formula and a
worked example.MathBasic CalculatorUse the basic tool with expression. See results, the formula and a worked
example.MathFraction CalculatorUse the fraction tool with first numerator, first denominator. See results,
the formula and a worked example.
All math calculators
MathArea CalculatorUse the area tool with shape, length / base / radius. See results, the
formula and a worked example.MathAverage CalculatorUse the average tool with numbers separated by commas. See results, the
formula and a worked example.MathBasic CalculatorUse the basic tool with expression. See results, the formula and a worked
example.MathBig Number CalculatorUse the big number tool with first integer, second integer. See results, the
formula and a worked example.MathBinary CalculatorUse the binary tool with first number, operation. See results, the formula
and a worked example.MathCircle CalculatorUse the circle tool with radius. See results, the formula and a worked
example.MathCommon Factor CalculatorUse the common factor tool with first integer, second integer. See results,
the formula and a worked example.MathConfidence Interval CalculatorUse the confidence interval tool with sample mean, known population standard
deviation. See results, the formula and a worked example.MathDistance CalculatorUse the distance tool with point 1 x, point 1 y. See results, the formula and
a worked example.MathExponent CalculatorUse the exponent tool with base, exponent. See results, the formula and a
worked example.MathFactor CalculatorUse the factor tool with positive integer. See results, the formula and a
worked example.MathFraction CalculatorUse the fraction tool with first numerator, first denominator. See results,
the formula and a worked example.MathGreatest Common Factor CalculatorUse the greatest common factor tool with first integer, second integer. See
results, the formula and a worked example.MathHalf-Life CalculatorUse the half-life tool with initial quantity, half-life in chosen time units.
See results, the formula and a worked example.MathHex CalculatorUse the hex tool with first number, operation. See results, the formula and a
worked example.MathLeast Common Multiple CalculatorUse the least common multiple tool with first integer, second integer. See
results, the formula and a worked example.MathLog CalculatorUse the log tool with value, logarithm base. See results, the formula and a
worked example.MathLong Division CalculatorUse the long division tool with dividend, divisor. See results, the formula
and a worked example.MathMatrix CalculatorUse the matrix tool with matrix a (rows separated by semicolons), matrix b
(rows separated by semicolons). See results, the formula and a worked
example.MathMean Median Mode Range CalculatorUse the mean median mode range tool with numbers separated by commas. See
results, the formula and a worked example.MathNumber Sequence CalculatorUse the number sequence tool with first term, common difference or ratio. See
results, the formula and a worked example.MathP-Value CalculatorUse the p-value tool with observed z statistic, alternative hypothesis. See
results, the formula and a worked example.MathPercent Error CalculatorUse the percent error tool with observed value, accepted value. See results,
the formula and a worked example.MathPercentage CalculatorUse the percentage tool with percentage, base value. See results, the formula
and a worked example.MathPermutation and Combination CalculatorUse the permutation and combination tool with total items n, chosen items r.
See results, the formula and a worked example.MathPrime Factorization CalculatorUse the prime factorization tool with positive integer. See results, the
formula and a worked example.MathProbability CalculatorUse the probability tool with probability of a (%), probability of b (%). See
results, the formula and a worked example.MathPythagorean Theorem CalculatorUse the pythagorean theorem tool with leg a, leg b. See results, the formula
and a worked example.MathQuadratic Formula CalculatorUse the quadratic formula tool with coefficient a, coefficient b. See
results, the formula and a worked example.MathRandom Number GeneratorUse the random number generator tool with minimum integer, maximum integer.
See results, the formula and a worked example.MathRatio CalculatorUse the ratio tool with first quantity, second quantity. See results, the
formula and a worked example.MathRight Triangle CalculatorUse the right triangle tool with leg a, leg b. See results, the formula and a
worked example.MathRoot CalculatorUse the root tool with radicand, root degree. See results, the formula and a
worked example.MathRounding CalculatorUse the rounding tool with number, decimal places. See results, the formula
and a worked example.MathSample Size CalculatorUse the sample size tool with critical z value, expected proportion (%). See
results, the formula and a worked example.MathScientific CalculatorUse the scientific tool with expression. See results, the formula and a
worked example.MathScientific Notation CalculatorUse the scientific notation tool with number. See results, the formula and a
worked example.MathSlope CalculatorUse the slope tool with point 1 x, point 1 y. See results, the formula and a
worked example.MathStandard Deviation CalculatorUse the standard deviation tool with numbers separated by commas. See
results, the formula and a worked example.MathStatistics CalculatorUse the statistics tool with numbers separated by commas. See results, the
formula and a worked example.MathSurface Area CalculatorUse the surface area tool with solid, length or radius. See results, the
formula and a worked example.MathTriangle CalculatorUse the triangle tool with side a, side b. See results, the formula and a
worked example.MathVolume CalculatorUse the volume tool with solid, length or radius. See results, the formula
and a worked example.MathZ-Score CalculatorUse the z-score tool with observation, population mean. See results, the
formula and a worked example.
Choosing a math calculator
Explore arithmetic, algebra, geometry, statistics and number theory with transparent formulas and worked examples. Start with the tool whose input labels match your problem. Read the formula before interpreting the result; similar calculators can use different periods, units or assumptions.
How can I compare results in this category?
Use matching units and assumptions. Save each calculation summary to compare changes. The related-tool links on calculator pages help you explore another part of the same problem.