Free math tools that show their working

Each calculator explains how it got the answer, so you can check your homework and learn the method. Free, with no sign-up.

Roots, discriminant, vertex and a graph of the parabola, with every step shown.

Add, subtract, multiply and divide fractions, simplified to lowest terms.

Percent of a number, percentage change and what percent one number is of another.

Need something these don’t cover? The Solver AI app solves problems from a photo, including word problems and handwriting.

Stuck on a problem?

Take a photo of it. Solver AI shows every step, so you can do the next one yourself.