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Math that
Math that
actually checks out
Free math calculators: fraction calculator, percentage calculator, quadratic equation solver, statistics calculator, GCD & LCM, and number to words converter.
Simplify fractions automaticallySolve quadratics instantlyFull descriptive statisticsFree forever
Fraction CalculatorAdd, subtract, multiply and divide fractions with automatic simplification.
Percentage CalculatorSix common percentage calculations, all on one page.
Quadratic Equation SolverFind the roots of ax² + bx + c = 0, with full working shown.
Statistics CalculatorGet the mean, median, mode and standard deviation of any number list.
GCD & LCM CalculatorGreatest common divisor and least common multiple of several numbers.
Number to Words ConverterSpell out any number in English words for checks and invoices.
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Tools that actually compute, not just display
When you need to double-check a homework problem or work out a fraction by hand, the fraction calculator and quadratic equation solver finish the job in seconds — showing every step, not just the final answer. For a quick look at a small data set, the statistics calculator gives you the mean, median and standard deviation all at once, with nothing to install.