About Our Math Calculators
This category brings together calculators for common arithmetic, algebra, statistics and geometry questions. Use the Percentage Calculator for percentage relationships, the Fraction Calculator for exact rational arithmetic, the Ratio Calculator for proportions and shares, or the Exponent Calculator for powers and roots, the Square Root Calculator, Scientific Calculator, Graphing Calculator, and Average Calculator. The collection turns inputs into clear results with understandable methods.
Use percentage, fraction and ratio tools for common calculations and comparisons.
Work with exponents, roots, scientific operations, function graphing and linear equations.
Explore averages, spread and measurements for triangles and circles.
Written division and common factors
Inspect digit-by-digit working with the Long Division Calculator, or find common divisors and multiples with the GCF Calculator and LCM Calculator. For a second-degree equation, the Quadratic Formula Calculator distinguishes real, repeated and complex roots.
Prime factors and two-point lines
Build a factor tree and inspect exponent form with the Prime Factorization Calculator, or calculate rise over run and a line equation using the Slope Calculator. Both tools show input-specific working and special-case explanations.
Simultaneous equations and polynomial factors
Use the System of Equations Calculator for two or three linear unknowns, or the Polynomial Factoring Calculator for supported expanded expressions in x. Both include exact verification, input-specific steps and clearly stated limits.
Matrices and sequences
Use the Matrix Calculator for matrix multiplication, inverse and determinant operations, or the Arithmetic & Geometric Sequence Calculator for an nth term and finite sum. Both show exact values, input-specific working and supported limits.
Logarithms and inequalities
Use the Logarithm Calculator for log, ln, custom bases and antilogs. The Inequality Calculator solves supported linear and quadratic comparisons with exact solution intervals and input-specific steps.
Rounding and significant figures
Use the Rounding Calculator for decimal places, nearest multiples and explicit rounding rules. The Significant Figures Calculator counts reported digits and supports two-measurement arithmetic with clearly stated precision conventions.
Scientific notation and Cartesian coordinates
Use the Scientific Notation Calculator for number conversion and two-number arithmetic. The Distance & Midpoint Calculator finds Cartesian 2D/3D distances and exact midpoints, separate from geographic latitude/longitude calculations.
Absolute value and polynomial long division
Use the Absolute Value Calculator for the supported linear-content equations and inequalities. The Polynomial Long Division Calculator reports exact quotients and remainders with reconstruction checks, separate from whole-number division and polynomial factoring.
Expression simplification and exponential equations
Expand supported polynomial expressions with the Simplifying Expressions Calculator, or solve the supported positive-base form A·b^(mx+n)+d=c with the Exponential Equation Calculator. Each page explains its own method and limits.
Rational expressions and square-root radicals
The Rational Expression Calculator combines algebraic fractions while retaining original domain restrictions. The Simplifying Radicals Calculator extracts square factors, combines like radicals and rationalizes supported numeric square-root denominators.
Complete the square and calculate with complex numbers
The Completing the Square Calculator rewrites a quadratic in vertex form and explains its real or complex roots. The Complex Number Calculator performs exact component arithmetic with conjugates, powers, modulus and principal argument.
How to use these calculators
Select the calculator that matches your question, enter the requested numbers and review the result together with the formula or explanation shown on that calculator page. Use accurate inputs and keep the requested units consistent.
Why math results can differ
Results may vary when calculators use different rounding rules, precision settings, definitions or mathematical conventions. A displayed decimal may be rounded even when the underlying calculation uses greater precision.
- Percent change and percentage-point difference answer different questions.
- Fraction answers may appear as simplified fractions, mixed numbers or decimals.
- Sample and population standard deviation use different denominators.
- Geometry results depend on the measurements and units supplied.
Accuracy note: Review the stated method and keep units consistent. These tools are intended for calculation support and education; verify important academic, engineering or professional work independently.