Math & numbers

Solve ax² + bx + c = 0 instantly. Get real or complex roots, discriminant value, and full step-by-step working using the quadratic formula. Runs in your.

Find percent of a number, what percent one number is of another, or percent change. Fully client-side — no account, uploads, or remote storage.

Solve proportions, simplify ratios, and scale values with clear intermediate steps. Fully client-side — no account, uploads, or remote storage.

Convert integers across binary, octal, decimal, and hexadecimal with validation. Fully client-side — no account, uploads, or remote storage.

Solve for a missing side using a² + b² = c² with clear steps and unit consistency. Fully client-side — no account, uploads, or remote storage.

Instantly compute mean, median, mode, range, variance, and standard deviation for any dataset. Paste in your numbers and choose sample or population — results.