Math Calculators
103 calculators available — Start calculating now
Global Calculators
103 Available in all languagesPercentage Calculator
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Enter a value and total to calculate the percentag…
Percentage Change Calculator
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Enter old and new values to calculate the percenta…
Ratio Calculator
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Enter two numbers to calculate their simplified ra…
Average Calculator
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Enter up to 5 numbers to calculate their arithmeti…
Standard Deviation Calculator
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Enter the mean and variance to calculate standard …
Basic Probability Calculator
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Calculate probability quickly and accurately. Get …
Combination Calculator C(n,r)
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Enter n and r to calculate the number of combinati…
Permutation Calculator P(n,r)
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Enter n and r to calculate the number of permutati…
Prime Number Checker
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Enter a number to check if it is prime, get its pr…
GCD & LCM Calculator
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Enter two numbers to calculate the Greatest Common…
Quadratic Equation Solver
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Enter coefficients a, b, and c for ax²+bx+c=0 to c…
Pythagorean Theorem Calculator
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Enter any two sides of a right triangle to find th…
Area Calculator
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Enter dimensions for a circle, rectangle, or trian…
Volume Calculator
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Enter dimensions for a sphere, cylinder, cube, or …
Scientific Notation Calculator
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Convert between standard numbers and scientific no…
Logarithm Calculator
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Calculate common log (log₁₀), natural log (ln), or…
Factorial Calculator
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Calculate n! exactly for small n, with Stirling ap…
Fibonacci Sequence Calculator
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Generate Fibonacci sequence up to 50 terms with go…
2×2 Matrix Calculator
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Enter the four elements of a 2×2 matrix to calcula…
Unit Circle / Trigonometry Calculator
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Enter an angle in degrees to get radians, sin, cos…
Binary / Decimal / Hex Converter
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Convert between decimal, binary, and hexadecimal. …
Number Base Converter (Base 2-36)
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Enter a decimal number and target base (2-36) to c…
Simple Interest Calculator
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Enter principal, annual interest rate, and years t…
Daily Compound Interest Calculator
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Enter principal, annual rate, and years to calcula…
Statistical Z-Score Calculator
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Enter a value, population mean, and standard devia…
Mean, Median & Mode Calculator
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Enter 5 values to calculate mean, median, mode, ra…
Interest Rate Converter
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Enter a nominal interest rate and compounding freq…
Time Value of Money (TVM) Calculator
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Select FV or PV calculation, enter principal, rate…
Geometric Sequence Calculator
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Enter the first term, common ratio, and number of …
Arithmetic Sequence Calculator
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Enter the first term, common difference, and numbe…
Distance Formula Calculator
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Enter two coordinate points to calculate the Eucli…
Circle Calculations
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Enter radius or diameter to instantly calculate th…
Triangle Solver (Law of Cosines)
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Enter two sides and the included angle to solve th…
Number Sequence Finder
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Enter 5 terms to identify if the sequence is arith…
2D Vector Calculator
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Enter two 2D vector components to calculate magnit…
3×3 Matrix Determinant Calculator
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Enter 9 elements of a 3×3 matrix to calculate the …
Binomial Distribution Calculator
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Enter trials, probability, and target successes to…
Poisson Distribution Calculator
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Enter average events per period (λ) and target eve…
Normal Distribution Calculator
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Enter mean, standard deviation, and x to calculate…
2×2 Matrix Eigenvalue Calculator
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Enter 2×2 matrix elements to calculate the charact…
Complex Number Operations Calculator
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Enter two complex numbers and select an operation …
Ellipse Calculator
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Enter semi-major and semi-minor axes to calculate …
Hyperbola Calculator
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Enter semi-transverse axis (a) and semi-conjugate …
Fourier Series Approximation Calculator
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Select wave type (square/sawtooth/triangle) and nu…
Cubic Equation Root Calculator
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Enter coefficients for ax³+bx²+cx+d=0 to find a re…
Basic Derivative Calculator
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Calculate the derivative of cx^n using the power r…
Basic Integral Calculator
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Calculate the indefinite integral of cx^n (n≠-1) u…
L'Hôpital's Rule Limit Calculator
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Select a common indeterminate limit form to see th…
Taylor Series Approximation Calculator
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Compute Taylor series approximations for sin, cos,…
Power Set Calculator
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Calculate the total number of subsets and subsets …
Modular Arithmetic Calculator
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Calculate modular operations: mod, modular inverse…
Number Theory Basics Calculator
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Check if a number is prime, find divisors count, s…
Graph Theory Degree Calculator
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Calculate sum of degrees, average degree, connecti…
Recursive Sequence Calculator
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Calculate first N terms of fibonacci-like, geometr…
Summation (Sigma) Calculator
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Enter start n, end n, and formula type to compute …
Prime Factorization Calculator
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Factorize any natural number up to 1 billion into …
Extended Euclidean Algorithm (GCD/LCM)
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Enter two integers to compute GCD, Bezout coeffici…
Binary Search Steps Calculator
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Enter the number of elements to calculate maximum …
Big-O Algorithm Complexity Comparison
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Enter n to compare operation counts for O(1), O(lo…
Series Convergence Test Calculator
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Select series type (geometric, p-series, or harmon…
Integration by Parts Guide (IBP)
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Select u and dv function types to get the Integrat…
First-Order ODE Calculator
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Enter ODE type and coefficients to get the general…
Basic Linear Regression Calculator
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Enter 4 (x, y) data points to compute slope, inter…
Basic Chi-Square Test Calculator
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Enter observed and expected frequencies to calcula…
Prime Factorization Calculator
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Find prime factorization of a natural number
Fibonacci Sequence Calculator
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Calculate nth Fibonacci number and sequence
LCM & GCD Calculator
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Calculate GCD and LCM of two numbers
Logarithm Calculator
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Calculate common log (log₁₀), natural log (ln), or…
Compound Interest Calculator (Math)
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Calculate final amount using compound interest for…
Circle Calculator
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Calculate circle quickly and accurately. Get insta…
Triangle Calculator
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Calculate triangle quickly and accurately. Get ins…
Slope Calculator
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Calculate slope, distance and midpoint from two co…
Exponent & Power Calculator
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Calculate exponents, roots, and power operations.
Fraction Calculator
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Calculate arithmetic operations on two fractions.
Quadratic Equation Solver
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Solve quadratic equations ax² + bx + c = 0. Return…
Percentage Change Calculator
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Enter old and new values to calculate the percenta…
Average, Median & Mode Calculator
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Enter comma-separated numbers to calculate mean, m…
Number to Words Converter
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Convert a number to words in English or Korean. Su…
2×2 Matrix Calculator
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Enter the four elements of a 2×2 matrix to calcula…
Pythagorean Theorem Calculator
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Calculate the missing side, area, and perimeter of…
Unit Circle Trigonometry Calculator
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Enter an angle in degrees to get radians, sin, cos…
Prime Number Checker
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Enter a number to check if it is prime, get its pr…
Roman Numeral Converter
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Convert Arabic numbers to Roman numerals or Roman …
Scientific Notation Calculator
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Convert between standard numbers and scientific no…
Statistics Z-Score Calculator
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Calculate Z-score, percentile rank, and normal dis…
Binary Arithmetic Calculator
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Perform addition, subtraction, AND, OR, and XOR on…
Truth Table Generator
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Select 2 or 3 variables and a logic gate to instan…
2×2 Matrix Calculator (Determinant & Inverse)
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Enter the four elements of a 2×2 matrix to calcula…
Quadratic Formula Calculator
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Solve any quadratic equation ax²+bx+c=0 instantly,…
Geometric Sequence Calculator
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Calculate the nth term and sum of a geometric sequ…
Prime Number Checker
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Enter a number to check if it is prime, get its pr…
Fibonacci Sequence Calculator
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Calculate nth Fibonacci number and sequence
Standard Deviation Calculator
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Enter the mean and variance to calculate standard …
Scientific Notation Converter
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Convert numbers between standard form and scientif…
Number Base Converter
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Enter a decimal number and target base (2-36) to c…
Standard Deviation Calculator
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Enter the mean and variance to calculate standard …
Percentage Change Calculator
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Enter old and new values to calculate the percenta…
Quadratic Equation Solver (ax²+bx+c=0)
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Solve quadratic equations ax² + bx + c = 0. Return…
Prime Number Checker
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Enter a number to check if it is prime, get its pr…
Mean, Median & Mode Calculator
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Calculate mean, median, and mode from a list of nu…
Ratio & Proportion Solver
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Solve ratio and proportion problems where A:B = C:…
GCD & LCM Calculator
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Enter two numbers to calculate the Greatest Common…
Trigonometry Calculator
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Calculate sin, cos, and tan values in degrees or r…