Solve equations, work with fractions and matrices, plot graphs and explore primes with free calculators.
Everything a student needs to stay on top of grades, deadlines and study time — free online calculators that run right in your browser with no registration.
Run your freelance business like a pro: generate professional invoices, price your time correctly, and understand taxes and fees — all with free tools.
A growing toolbox for developers: format, validate and convert code, build regex patterns, generate UUIDs and commit messages — fast, private and free.
Understand your body and plan your fitness journey with accurate, free calculators for BMI, daily calories, TDEE, body fat and hydration.
Yes. The equation solver handles quadratic equations with real and complex roots.
Yes. The fraction calculator adds, subtracts, multiplies and divides fractions.
Yes. The matrix calculator handles matrix operations and multiplication.
Yes. The probability, confidence interval and A/B test calculators support statistics.