Math Calculators
149 free math calculators — including Scientific Calculator Online and Percentage Calculator. Instant results in your browser, with the formula shown.
Search Math Calculators calculators
- Scientific Calculator Online - Free Advanced Math Calculator
- Percentage Calculator - Calculate Percentages Online Free
- Quadratic Equation Calculator – Roots & Discriminant
- Exponent Calculator – Powers & Negative Exponents
- Average Calculator – Mean, Median & Mode
- Linear Equation Solver – ax + b = 0 Steps
- Percent Change Calculator – Increase & Decrease
- Trigonometry Calculator - Solve Trigonometric Functions
Gaussian Elimination Calculator – Row Reduction
Solve linear system using Gaussian elimination.
Fourier Series Coefficients Calculator
Calculate Fourier series coefficients.
Matrix Transpose Calculator – Rows to Columns
Calculate matrix transpose.
3x3 Determinant Calculator with Steps
Calculate determinant of a 3x3 matrix.
Cramer’s Rule Calculator – 2x2 & 3x3 Systems
Solve 3x3 linear system using Cramer's rule.
Complex Number Polar Form Converter
Convert complex number to polar form.
Riemann Sum Calculator – Left, Right & Midpoint
Calculate approximate integral using Riemann sum.
Binomial Expansion Calculator – (a+b)ⁿ Terms
Calculate (a+b)ⁿ expansion using binomial theorem.
Bernoulli Number Calculator – B Sequence
Calculate Bernoulli numbers for a given order.
Stirling’s Approximation Calculator – n! Estimate
Calculate factorial using Stirling's approximation.
Continued Fraction Evaluator – From Coefficients
Evaluate a continued fraction from its coefficients.
Divisor Sum Calculator – σ(n) Function
Calculate sum of divisors and Euler functions.
Partition Number Calculator – p(n)
Calculate the number of ways to partition an integer.
Combinations with Repetition – C(n+r−1, r)
Calculate combinations with repetition.
Extended Euclidean Algorithm – Bézout Coefficients
Calculate GCD and Bezout coefficients.
Sequence Calculator - Arithmetic and Geometric Sequences
Calculate and analyze mathematical sequences online. Find terms, sums, and patterns in arithmetic and geometric sequences. Ideal for students studying sequences and series.
Complex Number Calculator - Calculate with Complex Numbers
Perform calculations with complex numbers online. Add, subtract, multiply, divide, and find magnitude and phase of complex numbers. Essential calculator for engineering and advanced mathematics.
Euler-Mascheroni Constant γ Calculator
Calculate the Euler-Mascheroni constant gamma to high precision.
Jacobi Symbol Calculator – (a/n)
Calculate the Jacobi symbol (a/n).
Least Common Multiple (LCM) Calculator
Free online calculator with instant, accurate results.
Prime Factorization Calculator
Free online calculator with instant, accurate results.
Prime Number Checker
Free online tool — fast, accurate results in your browser.
Quadratic Equation Solver
Free online tool — fast, accurate results in your browser.
Cubic Equation Solver
Free online tool — fast, accurate results in your browser.
Midpoint Calculator
Free online calculator with instant, accurate results.
Distance Between Two Points Calculator
Free online calculator with instant, accurate results.
Pythagorean Theorem Calculator
Free online calculator with instant, accurate results.
Ratio Calculator
Free online calculator with instant, accurate results.
Scientific Notation Converter
Free online tool — instant, accurate conversions in your browser.
Number to Words Converter
Free online tool — instant, accurate conversions in your browser.
Law of Sines Calculator
Free online calculator with instant, accurate results.
Law of Cosines Calculator
Free online calculator with instant, accurate results.
Vector Magnitude Calculator
Free online calculator with instant, accurate results.
Dot Product Calculator
Free online calculator with instant, accurate results.
Cross Product Calculator
Free online calculator with instant, accurate results.
Percentage Increase Calculator
Free online calculator with instant, accurate results.
Percentage Decrease Calculator
Free online calculator with instant, accurate results.
Percentage of Total Calculator
Free online calculator with instant, accurate results.
Reverse Percentage Calculator
Free online calculator with instant, accurate results.
Ratio Simplifier Calculator
Free online calculator with instant, accurate results.
Fraction Simplifier Calculator
Free online calculator with instant, accurate results.
Fraction to Decimal Calculator
Free online calculator with instant, accurate results.
Decimal to Fraction Calculator
Free online calculator with instant, accurate results.
Percent Error Calculator
Free online calculator with instant, accurate results.
Percent Difference Calculator
Free online calculator with instant, accurate results.
Product Calculator
Free online calculator with instant, accurate results.
Scientific Graphing Calculator
Free online calculator with instant, accurate results.
Function Graph Plotter
Free online tool — fast, accurate results in your browser.
About Math Calculators
149 free Math Calculators tools are listed on this page, led by Scientific Calculator Online, Percentage Calculator and Quadratic Equation Solver in popularity order. Each computes its result directly in your browser and shows the formula it applies. The grid also covers Average Calculator, so most common Math Calculators questions have a matching tool. No accounts, no fees — every answer ships with the arithmetic behind it.
What you can calculate
Scientific Calculator Online, Percentage Calculator, Quadratic Equation Solver, Average Calculator
Top Math Calculators Calculators
Scientific Calculator Online - Free Advanced Math Calculator
Use our free online scientific calculator for advanced mathematical operations including trigonometry, logarithms, exponents, and more. A fully-featured scientific calculator perfect for students, engineers, and scientists.
Percentage Calculator - Calculate Percentages Online Free
Calculate percentages easily with our free online percentage calculator. Find percentage of a number, calculate percentage increase/decrease, or convert fractions to percentages instantly. Perfect for students, business owners, and anyone who needs quick percentage calculations.
Quadratic Equation Calculator – Roots & Discriminant
Solve any quadratic equation and find roots instantly.
Exponent Calculator – Powers & Negative Exponents
Calculate the power of any number quickly.
Average Calculator – Mean, Median & Mode
Calculate mean, median, and mode for any set of numbers.
FAQs about Math Calculators
What is the best calculator in the Math Calculators category?
The most popular Math Calculators tools on this site are Scientific Calculator Online, Percentage Calculator and Quadratic Equation Solver, in that order. All are free, run instantly in your browser, and show their calculation steps — pick the closest to your case or try more than one.
Are the Math Calculators calculators free to use?
Yes — all 149 tools in the Math Calculators category are completely free: they run in your browser with no sign-up and never send your inputs anywhere. Enter your values and the result appears instantly, with the formula used shown.
How many calculators are in the Math Calculators category?
The Math Calculators category currently lists 149 free tools. The most used are Scientific Calculator Online, Percentage Calculator and Quadratic Equation Solver, and all of them are reachable directly from the grid on this page, with no registration required.