This book contains all the material of Mathematics for the 3rd grade of Gymnasium, divided into sections, just like in the textbook.

Each section includes:
- The theory
- Solved exercises
- Useful observations
- Exercises for solving
- Comprehension questions

At the end of each chapter, there are general exercises and evaluation criteria.
At the end of the book, there are the solutions to all the exercises and comprehension questions in the book.