CalcTools

Mathematics

Solvers for algebra, geometry, and statistics.

Percentage Calculator

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A versatile calculator for all your percentage needs, including finding a percentage of a number, percentage change, and more.

Quadratic Equation Solver

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Solve quadratic equations instantly. Find real and complex roots for any equation of the form ax² + bx + c = 0.

Scientific Calculator

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A full-featured scientific calculator for advanced mathematics, including trigonometry, logarithms, and powers.

Square Root Calculator

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Quickly find the square root of any positive number.

Mean, Median & Mode Calculator

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Calculate the average (mean), median, and mode for a set of numbers.

Standard Deviation Calculator

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Calculate the standard deviation and variance for a data set.

Logarithm Calculator

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Calculate the logarithm of a number with any base.

Fraction to Decimal

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Convert any fraction into its decimal equivalent.

Decimal to Fraction

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Convert a decimal number into a simplified fraction.

Prime Number Checker

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Check if a number is prime and see its divisors.

Pythagorean Theorem Calculator

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Calculate the missing side of a right-angled triangle using a² + b² = c².

Exponent / Power Calculator

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Calculate a number raised to any power (exponent).

Factorial Calculator

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Calculate the factorial (n!) of a non-negative integer.