Math Calculators

Percentage Calculator

Calculate percentages, percentage change, and find what percent one number is of another.

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Fraction Calculator

Add, subtract, multiply, and divide fractions with step-by-step solutions.

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Scientific Calculator

Full-featured scientific calculator with trig, logarithms, exponents and more.

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Square Root Calculator

Calculate the square root, cube root, and nth root of any number.

Exponent Calculator

Calculate any base raised to any power, including negative and fractional exponents.

Quadratic Formula Calculator

Solve ax²+bx+c=0 instantly with discriminant and both roots shown.

GCF & LCM Calculator

Find the Greatest Common Factor and Least Common Multiple of any numbers.

Prime Factorization Calculator

Find all prime factors of any number with factor tree and exponential notation.

Average Calculator

Calculate mean, median, mode, and range of any data set.

Standard Deviation Calculator

Calculate population and sample standard deviation and variance.

Pythagorean Theorem Calculator

Find any side of a right triangle using a²+b²=c².

Triangle Calculator

Solve any triangle: find sides, angles, and area using SSS, SAS, or AAS.

Ratio Calculator

Simplify ratios and solve proportions easily.

Logarithm Calculator

Calculate log base 10, natural log (ln), and any base logarithm.

Combinations Calculator

Calculate nCr combinations and nPr permutations for probability.

Decimal to Fraction

Convert any decimal to a simplified fraction or mixed number.

Long Division Calculator

Perform long division with full step-by-step work shown.

Matrix Calculator

Add, multiply, find determinant and inverse of matrices.

Algebra Calculator

Solve linear equations, quadratic equations and expressions step by step.

Rounding Calculator

Round numbers to any decimal place or significant figures.

Absolute Value Calculator

Find the absolute value of any number or expression.

Roman Numeral Converter

Convert between Roman numerals and standard numbers.

Binary Calculator

Convert between binary, decimal, hexadecimal and octal number systems.

Factor Calculator

Find all factors of any number quickly.

Percentage Increase Calculator

Calculate the percentage increase or decrease between two values.

Slope Calculator

Calculate the slope, angle, and equation of a line between two points.

Distance Formula Calculator

Calculate the distance between two points in 2D or 3D space.

Midpoint Calculator

Find the midpoint between two coordinate points.

Circle Calculator

Calculate area, circumference, diameter and radius of a circle.

Rectangle Calculator

Calculate area, perimeter and diagonal of a rectangle.

Sphere Calculator

Calculate volume, surface area and diameter of a sphere.

Cylinder Calculator

Calculate volume and surface area of a cylinder.

Cone Calculator

Calculate volume, surface area and slant height of a cone.

Mean Median Mode Calculator

Calculate mean, median, mode and range for statistical data.

Z-Score Calculator

Calculate the z-score (standard score) for any value in a distribution.

Probability Calculator

Calculate the probability of single and combined events.

Sequence Calculator

Calculate terms and sums of arithmetic and geometric sequences.

Polynomial Calculator

Add, subtract and multiply polynomial expressions.

Slope Intercept Form Calculator

Convert between slope-intercept, standard and point-slope line forms.

Distance Speed Calculator

Calculate unit rates and compare prices per unit.

Percent Error Calculator

Calculate the percent error between experimental and true values.

Number Sorter

Sort a list of numbers in ascending or descending order.

Trigonometry Calculator

Calculate sine, cosine, tangent and inverse trig functions.

Mixed Number Calculator

Add, subtract, multiply and divide mixed numbers.