Mathematics

Convert integers between binary, octal, decimal, hexadecimal and custom base (2–36).

Simplify fractions, convert between improper and mixed form and get the exact decimal.

Compute GCD and LCM for multiple integers with step-by-step prime factorization.

Check if a number is prime and get its prime factorization with detailed steps.

Convert integers between binary, octal, decimal, hexadecimal and custom base (2–36).

Simplify fractions, convert between improper and mixed form and get the exact decimal.

Compute GCD and LCM for multiple integers with step-by-step prime factorization.

Check if a number is prime and get its prime factorization with detailed steps.

Compute C(n,r) with and without repetition, showing the formula and exact result.

Compute P(n,r) with and without repetition, showing formula, steps and exact result.

Generate the first N Fibonacci terms with support for arbitrarily large values.

Compute the Pearson correlation coefficient (r) for x,y data pairs.

Simple linear regression with slope, intercept, r², standard error and line equation.

Solve direct, inverse and compound rule of three with step-by-step equation.

Solve ax²+bx+c=0 with the quadratic formula, discriminant, and real or complex roots.

Compute area and perimeter of 2D shapes and volume of 3D solids with formulas and unit conversion.

Enter any two sides of a right triangle and compute the third using a²+b²=c².

Compute mean, variance and standard deviation (population or sample) from a list of numbers.

Convert numbers between standard decimal notation and scientific notation (a×10ⁿ).

Compute logarithms in any base, log₁₀ and natural logarithm (ln) with step-by-step properties.

Count significant figures in a number with an explanation of each rule applied.