Free tools

Free tools that show the working

Type a question and see the answer with every step, the way an examiner wants it written. Free, with no sign-up.

Mathematics

Polynomial equation solver

Solve cubic and higher polynomial equations with the full working: a root by the factor theorem, then division and the quadratic formula.

Polynomial factoriser

Factorise quadratics and cubics with the full working: find a root, divide, then factorise what is left. Free, no sign-up.

Quadratic equation solver

Type any quadratic and get its roots with the full working, the way an exam wants it written. Free, no sign-up, works on your phone.