Math & Geometry Tools
Work with factors, algebra, ratios, geometry and statistics. Each calculator explains its method, units and input range.
Circle Area and Circumference
Calculate area, circumference and diameter from a radius.
Math & GeometryCylinder Volume and Surface Area
Calculate a closed right cylinder from radius and height.
Math & GeometryExponent Calculator
Raise a number to a power with finite real output.
Math & GeometryGCF and LCM Calculator
Find the greatest common factor and least common multiple.
Math & GeometryLogarithm Calculator
Calculate a logarithm in your chosen base.
Math & GeometryPercentile Calculator
Find an interpolated percentile in a numeric data set.
Math & GeometryPermutation and Combination Calculator
Count ordered arrangements and unordered selections.
Math & GeometryPrime Factorization Calculator
Break a positive whole number into prime factors.
Math & GeometryPrime Number Checker
Check whether a whole number is prime or composite.
Math & GeometryPythagorean Theorem Calculator
Find the hypotenuse from two perpendicular side lengths.
Math & GeometryQuadratic Equation Solver
Solve ax² + bx + c = 0 for real or complex roots.
Math & GeometryRatio Simplifier
Reduce a whole-number ratio to its simplest form.
Math & GeometryRectangle Area and Perimeter
Calculate area, perimeter and diagonal from two sides.
Math & GeometryScientific Notation Converter
Write a finite number in normalized scientific notation.
Math & GeometryTriangle Area Calculator
Calculate area from a base and its perpendicular height.
More math and study tools
4-Band Resistor Color Code
Decode a standard four-band resistor value and tolerance.
Math & GeometryNew · 8 NovDistance Between Two Points
Find Euclidean distance and midpoint in two dimensions.
Math & GeometryNew · 8 NovMatrix Calculator
Add, multiply or transpose numeric matrices.
Math & GeometryNew · 8 NovOhm’s Law Calculator
Calculate one electrical quantity from two known values.
Math & GeometryNew · 8 NovProportion Calculator
Solve one missing value in a:b = c:d.
Math & GeometryNew · 8 NovSignificant Figures Rounder
Round a decimal to a chosen number of significant figures.
Math & GeometryNew · 8 NovSlope Calculator
Find slope and a line equation from two points.
Math & GeometryNew · 8 NovTest Grade Calculator
Convert correct answers into a percentage score.
Math & GeometryNew · 8 NovTwo Linear Equations Solver
Solve a₁x + b₁y = c₁ and a₂x + b₂y = c₂.
Math & GeometryNew · 8 NovWeighted Grade Calculator
Combine assessment scores using percentage weights.
Syed Waleed