All you need to know so as not to be a weakness in mathematics in one big book

This book is a really unique publication, because almost the entire basic course of mathematics is presented here. The numbers and fractions, the main operations with them and the secrets of fast account, proportions and interest, equations and functions, the beginning of geometry and stereometry are all that will help you master the basics of mathematics, is contained on these pages. Moreover, the book is very conveniently designed: all concepts and important rules are highlighted with font or color, there are explanatory drawings, diagrams and tables. The material is submitted briefly, but capacious, extremely clear and interesting - accompanied by many examples and historical facts. And in order to consolidate and verify the knowledge gained, at the end of each section there is a block with tasks.
For secondary and senior school age