This book covers the 5 chapters of algebra (in the 1st part) and the two chapters of geometry - trigonometry (in the 2nd part) of the mathematics for the 3rd grade of junior high school.

In each section there are:
- The useful knowledge of the section
- Solved exercises and problems from the school book
- Supplementary exercises, aimed at further practicing the concepts of the section
- Solutions to the supplementary exercises.