Math & Statistics Tools
Explore scientific expressions, descriptive statistics, exact fractions, number theory, equations and matrices privately.
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Free. No sign-up required.Math Workspace
All ten math tools together, with exact rational algebra, descriptive statistics and downloadable reports.
Open workspaceScientific Calculator
Evaluate real-number expressions with scientific functions, factorials and explicit degree / radian modes.
Open toolMean, Median, Mode & Range
Find the center, repeated values and spread of pasted numbers or a selected local CSV column.
Open toolStandard Deviation & Variance
Compare sample and population variance and standard deviation, with the divisor and data count shown.
Open toolStatistics Summary
Analyze pasted numbers or a local CSV column with quartiles, percentiles, frequencies and a distribution preview.
Open toolProbability & Combinations
Calculate exact combinations, permutations, factorials, count-based probability and binomial point probabilities.
Open toolPrime Number & Factorization
Check integers through one trillion and calculate their exact prime factors and positive divisors.
Open toolGCD / LCM Calculator
Find the exact greatest common divisor and least common multiple of signed whole numbers.
Open toolFraction Calculator
Add, subtract, multiply, divide or compare fractions and mixed numbers with exact rational arithmetic.
Open toolEquation Solver
Solve linear and quadratic equations or small linear systems, with explicit degenerate and complex-root cases.
Open toolMatrix Calculator
Add, multiply, transpose, row-reduce and invert small matrices using exact rational arithmetic.
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