Math

Simple math calculators for percentages, fractions, exponents, logarithms, geometry, averages, slope, circumference, and common formulas.

Prime Factorization Calculator

Break a positive integer into its unique product of prime powers and review factor-tree logic.

Rounding Calculator

Round numbers to a selected place or significant figures and distinguish common rounding methods.

Long Division Calculator

Perform long division with a quotient, remainder and step-by-step divide-multiply-subtract work.

Quadratic Formula Calculator

Solve a quadratic equation from coefficients a, b and c and interpret its discriminant and roots.

Area Calculator

Calculate the area of common two-dimensional shapes using dimensions in compatible units.

Volume Calculator

Calculate the volume of common three-dimensional solids using measurements in compatible units.

Triangle Calculator

Solve a triangle’s missing sides, angles, area and perimeter from sufficient known measurements.

Probability Calculator

Calculate event probabilities, complements, unions and intersections while checking independence assumptions.

Surface Area Calculator

Find lateral or total surface area for common three-dimensional solids in square units.

Median Calculator

Use our Median Calculator to find the middle value of any data set. Supports raw numbers, value:count input, sorted preview, and instant live results.