Math Calculators

Harmonic Mean Calculator – Speeds & Fuel

Calculate the harmonic mean of a set of numbers.

Geometric Mean Calculator – Growth Rates

Calculate the geometric mean of a set of numbers.

Root Mean Square (RMS) Calculator

Calculate the root mean square of a set of numbers.

Significant Figures Calculator – Sig Figs

Calculate significant figures and round numbers accordingly.

Modulo Calculator – Remainder of Division

Calculate the remainder of dividing two numbers.

Floor & Ceiling Calculator – Round Any Number

Calculate floor and ceiling of any number.

Nth Root Calculator – x^(1/n) Any Index

Calculate the nth root of any number.

GCD Calculator – Greatest Common Divisor

Calculate the Greatest Common Divisor of two numbers.

2x2 Matrix Determinant Calculator

Calculate the determinant of a 2x2 matrix.

Combinatorics Calculator – nCr, nPr & More

Calculate combinations and permutations.

Polynomial Evaluator – p(x) with Horner Steps

Evaluate a polynomial at a given point.

Weighted Mean Calculator – Σwx ÷ Σw

Calculate the weighted mean.

Mixed Number to Decimal Converter

Convert mixed numbers to decimals and vice versa.

Lucas Sequence Calculator – Terms & Sums

Calculate Lucas sequence numbers.

Collatz Conjecture Calculator – 3n+1 Steps

Trace the Collatz sequence for any number.

Pascal’s Triangle Calculator – Rows & Terms

Calculate Pascal triangle up to n rows.

Catalan Number Calculator – C(n) Counts

Calculate the nth Catalan number.

Euler Totient Calculator – φ(n) Coprimes

Calculate Euler totient function φ(n).

Hyperbolic Functions Calculator – sinh, cosh

Calculate hyperbolic trigonometric functions.

2D Cross Product Calculator – Signed Area

Calculate cross product of two 2D vectors.

Taylor Series Calculator – Expand Functions

Calculate Taylor series approximation.

Newton-Raphson Method Calculator – Roots Fast

Find equation root using Newton-Raphson method.

Simpson’s Rule Integration Calculator

Calculate numerical integration using Simpson's rule.

Runge-Kutta RK4 Solver – ODE Integration

Solve ODE using Runge-Kutta RK4 method.

Laplace Transform Calculator – Basic Functions

Calculate Laplace transform of basic functions.

Pascal’s Triangle Row Calculator – Any Row n

Calculate a row of Pascal's triangle.

Modular Exponentiation Calculator – baseᵉ mod m

Calculate (base^exp) mod m efficiently.

Numerical Integral Calculator – Estimate ∫

Calculate numerical approximation of definite integral.

Taylor Approximation Calculator – Estimate f(x)

Calculate Taylor series approximation at a given point.

Number Base Change Calculator – With Steps

Convert numbers between different numeral systems.

Matrix Determinant Calculator – 2×2 with Extras

Calculate 2×2 matrix determinant, eigenvalues, and trace.

Matrix Calculator - Perform Matrix Operations Online

Perform matrix operations online with our free matrix calculator. Calculate matrix addition, multiplication, determinants, inverse, and more. Perfect for linear algebra students and professionals.

GCD and LCM Calculator - Greatest Common Divisor & Least Common Multiple

Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of numbers online. Free GCD LCM calculator with step-by-step solutions for number theory problems.

Logarithm Calculator - Calculate Logarithms of Any Base

Calculate logarithms with any base online using our free logarithm calculator. Compute natural logarithms, base-10 logarithms, and custom base logarithms easily. Perfect for algebra and calculus students.

Modular Arithmetic Calculator – Mod Operations

Calculate modular arithmetic operations.

Complex Number Calculator – Arithmetic & Modulus

Perform operations on complex numbers.

Modular Inverse Calculator – a⁻¹ mod m

Calculate the modular inverse of a number.

Sum of Series Calculator – Arithmetic & Geometric

Calculate sum of arithmetic and geometric series.

Digit Sum Calculator – Digital Root & Checks

Calculate digit sum and digital root.

Armstrong Number Checker – Narcissistic Test

Check if a number is an Armstrong number.

Perfect Number Checker – Divisor Sums

Check if a number is perfect and list its divisors.

Signed Magnitude Converter – 8-Bit Binary

Convert between decimal and binary signed magnitude.

Continued Fraction Calculator – Decimal to Fraction

Convert decimal to continued fraction.

Sierpinski Triangle Calculator – Fractal Stats

Calculate Sierpinski triangle properties.

Babylonian Square Root Method – Iterations

Calculate square root using Babylonian method.

Trapezoidal Rule Calculator – Numeric Integrals

Calculate numerical integration using trapezoidal rule.

Bisection Method Calculator – Bracketing Roots

Find equation root using bisection method.

Lagrange Interpolation – Points to Polynomial

Interpolate value using Lagrange polynomial.