SchoolMath

This application allows you to solve almost any triangle based task, quadratic and cubic equation, do operations with complex numbers and fractions, plot mathematical functions.
Some functional are paid.
Unlock all 600+ tasks with triangles (step by step solution) cost ~$0.8
Unlock cubic equations (step by step solution) cost ~$0.8
Quadratic equations (step by step solution), plotting math functions, operations with fractions, part of triangle tasks and complex numbers are free to use.