Math, Physics, Chemistry & English in one place! School Brother solves the exercises for you, step-by-step in the easiest way! It has never been easier to do homework! It will also help you to be prepared for: SAT, ACT, General Certificate of Secondary Education, Advanced Subsidiary (AS level), A-levels, General Certificate of Education Advanced Level, Matura Exams. The current version contains: Maths: - Algebra - Graphs - Functions - Linear Functions - Quadratic Functions - Powers - Roots -