Mathematics calculators

From basic arithmetic to statistics and algebra.

Algebra Solver

Solve linear equations of the form ax + b = c.

mathematics

Arithmetic Sequence Calculator

nth term and sum of an arithmetic progression.

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Average Calculator

Mean, sum and count for a list of numbers.

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Basic Calculator

Add, subtract, multiply and divide two numbers.

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Binomial Probability Calculator

Probability of exactly k successes in n trials.

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Circle Calculator

Area, circumference and diameter from a radius.

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Equation Solver

Solve simultaneous linear equations in two variables.

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Exponent Calculator

Raise any base to any power.

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Factorial Calculator

Compute n! for any reasonable value of n.

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Fraction Calculator

Add, subtract, multiply or divide two fractions.

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GCD Calculator

Greatest common divisor using the Euclidean algorithm.

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Geometric Sequence Calculator

nth term and sum of a geometric progression.

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Geometry Calculator

Area and perimeter of common 2D shapes.

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LCM Calculator

Lowest common multiple of two numbers.

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Logarithm Calculator

Log of a number in any base.

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Matrix Calculator

Determinant and inverse of a 2×2 matrix.

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Median & Mode Calculator

Middle value and most frequent value in a data set.

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Percent Change Calculator

Increase or decrease between two numbers.

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Permutation & Combination Calculator

nPr and nCr for counting problems.

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Polynomial Calculator

Evaluate a cubic polynomial at any value of x.

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Prime Number Checker

Check if a number is prime and see its factors.

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Probability Calculator

Single and combined event probability.

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Proportion Solver

Solve a/b = c/x for the missing value.

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Pythagorean Theorem Calculator

Find the hypotenuse or a missing leg.

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Quadratic Equation Solver

Roots of ax² + bx + c = 0 with discriminant analysis.

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Ratio Calculator

Simplify a ratio and scale it to a new total.

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Root Calculator

Square, cube and nth roots.

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Scientific Calculator

Free online scientific calculator: trig, log, exponential, power and root functions.

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Sphere Volume Calculator

Volume and surface area of a sphere.

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Statistics Calculator

Mean, median, mode and standard deviation of a data set.

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Triangle Area Calculator

Heron's formula area from three sides.

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