Math Calculators
Access free, interactive calculators for math. Click any tool to open the workspace on WebCalcSys.com.
All Math → 649+ Calculators
Browse 600+ math calculators — stats, calculus, algebra, geometry, number theory, and more.
Fraction Calculator
Add, subtract, multiply, and simplify fractions.
Calculus Calculator
Numerical integration and differentiation.
Circumference
Find circumference, area, diameter, and radius of a circle.
Exponent & Root
Calculate exponents, square roots, and cube roots.
Geometry Calculator
Area, perimeter, surface area, and volume for shapes.
Linear Algebra
Vector operations in 2D and 3D.
Log Calculator
Calculate logarithms with any base.
Matrix Calculator
Matrix operations for 2×2 and 3×3 matrices.
Number Base Converter
Convert between binary, octal, decimal, and hex.
Prime Factor & Checker
Check primality and find prime factorization.
Pythagorean Theorem
Calculate the missing side of a right triangle.
Ratio & Proportion
Simplify ratios and find missing proportions.
Roman Numeral Converter
Convert between Roman numerals and Arabic numbers.
Scientific Notation
Convert between decimal and scientific notation.
Significant Figures
Count sig figs and round numbers.
Slope Calculator
Calculate slope, distance, angle, and line equation.
Quadratic Solver
Solve ax²+bx+c=0 with the quadratic formula.
Linear Regression
Calculate regression line, slope, and intercept.
Binomial Distribution
Calculate binomial probabilities.
P-Value from Z
Estimate p-value from z-score.
Matrix Determinant
Calculate determinant of 2x2 and 3x3 matrices.
Z-Score Calculator
Calculate z-scores from raw data.
Standard Deviation
Calculate standard deviation of a dataset.
Confidence Interval
Calculate CI for population mean.
Permutation & Comb.
Calculate permutations and combinations.
Fibonacci Sequence
Generate Fibonacci sequence numbers.
Sieve of Eratosthenes
Generate primes up to a limit.
Taylor Series
Approximate eˣ, sin(x), cos(x) with Taylor series.
Set Operations
Union, intersection, and difference of sets.
Bayesian Update
Update Beta posterior distribution.
Browse Other Calculator Categories
Explore calculation sheets and guides in other mathematical and scientific fields.