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🧮Math Tools

Ratios, equations, statistics and other math calculators.

Our math tools cover the calculations that come up in school, work and everyday problem-solving, from simplifying a ratio and finding the least common multiple, to solving a quadratic equation or checking whether a number is prime. Alongside dedicated calculators like the Scientific Calculator and Standard Deviation Calculator, this category also covers descriptive statistics like mean, median and mode. Everything is calculated instantly in your browser, with no signup required.

Quadratic Equation Solver

Solve quadratic equations of the form ax² + bx + c = 0.

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Scientific Calculator

A scientific calculator with trigonometric and logarithmic functions.

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Standard Deviation Calculator

Calculate mean, variance and standard deviation from a data set.

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Fraction Calculator

Add, subtract, multiply or divide fractions.

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Percentage Calculator

Calculate percentages instantly.

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Ratio Calculator

Simplify a ratio to its lowest terms and see its decimal equivalent.

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LCM Calculator

Find the least common multiple (and greatest common divisor) of a list of numbers.

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Prime Number Calculator

Check if a number is prime and find its prime factorization.

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Mean, Median & Mode Calculator

Calculate the mean, median, mode and range of a data set.

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Probability Calculator

Calculate the probability of one or two independent events.

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Statistics Calculator

Calculate mean, median, mode, standard deviation, quartiles and more from a data set.

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