Free calculators for algebra, calculus, statistics, linear algebra, and geometry. No sign-up needed.
Equations, logarithms, fractions
Derivatives, integrals, limits
Matrices, vectors, eigenvalues
Mean, SD, probability, distributions
Trig functions, unit circle, polar
GCD, LCM, primes, Fibonacci
Area, volume, Pythagorean
Scientific calculator, percentages
Are these tools free?
Yes, all tools are completely free with no registration required.
Is my data stored?
No. All calculations run in your browser. Nothing is sent to our servers.
Can I use these on my phone?
Yes, all tools are fully mobile-responsive.