Math

Calculate percentages instantly: X% of Y, X is what % of Y, or percentage change.

Calculate percent change between two values: ((new − original) / |original|) × 100.

Convert numbers between standard, scientific, and engineering notation instantly.

Calculate mean, median, mode, sum, and range for any list of numbers.

From radius, diameter, circumference or area, find all the other circle properties.

Calculate powers and exponents. Find base^exponent, expanded notation, and scientific notation.

Simplify fractions and perform addition, subtraction, multiplication, and division with exact results.

Calculate your credit-weighted grade point average from grade points and credit hours.

Calculate the greatest common divisor and least common multiple of two numbers.

Calculate logarithms with any base. Find log, ln, log₁₀, and log₂ in one step.

Decompose any number into its prime factors and view the exponent notation.

Find the missing side of a right triangle using the Pythagorean theorem.

Solve ax²+bx+c=0 and find roots, discriminant, vertex, and axis of symmetry.

Simplify any ratio to its lowest terms and see equivalent scales.

Find the slope, y-intercept, distance, angle and midpoint between two points.

Calculate square roots and nth roots, check perfect squares, and simplify radical expressions.

Calculate population and sample standard deviation, variance, and mean for your dataset.

Solve triangles using sides and angles. Calculate missing sides, angles, area, and type.

Find the nth term and the sum of an arithmetic sequence from its first term and common difference.

Calculate nCr (combinations) and nPr (permutations) for any n and r instantly.

Compute the factorial of any integer from 0 to 170, including large numbers using arbitrary precision.

Find the nth Fibonacci number, the sum of terms and the golden ratio.

Add, subtract, multiply 2×2 and 3×3 matrices, calculate determinants.

Find the remainder and quotient of a division, two ways.

Compare a measured value to the true value as a percent error.

Count how many ordered arrangements of r items you can make from a set of n, with or without repetition.

Solve a/b = c/x for the unknown value x by cross-multiplication.

Round a number to any number of decimals — nearest, up, down or truncated.

Get complete statistical summary: min, max, mean, median, mode, quartiles, variance, and standard deviation.

Calculate z-scores, percentiles, and p-values to standardize and interpret data relative to a normal distribution.