A free program for Android, by Ilya Ponomarenko.

All Formulas is a free application for studying mathematics and geometry. This app is an indispensable tool for students and teachers who need to prepare for math and geometry exams.

With this, you can study and learn at your own pace, using the material that you need to prepare for your exams. The app features the following topics:Algebra – You can find all the necessary formulas for algebra here, including linear equations and inequalities, quadratic equations, systems of equations, and many more.

Geometry – In this section, you will find all the necessary formulas for geometry, including polygonal shapes, polyhedral shapes, conic sections, and many more.