It contains theory, closed and open-ended questions, basic exercises with detailed solutions, exercises and problems for practice, and review exercises for comprehensive preparation.

- The theory is written in detail (according to the theory of the textbook) and additionally includes necessary supplementary knowledge where needed.
- The basic exercises are solved in detail to help the student understand important topics that are frequently encountered in solving exercises and problems, and to deeply understand the necessary methodology followed for their solution.
- The closed-ended questions (subject A of the National Examinations) include multiple-choice questions, true/false questions, and in some cases, matching questions.
- The open-ended questions (subject B of the National Examinations) include multiple-choice questions in which the student is required to select the correct answer and justify their choice.
- The exercises and problems for practice include questions of increasing difficulty.
- The review exercises at the end of the book include exercises and problems following the patterns of the exercises and problems included in subjects C and D of the National Examinations.

At the end of the book, there are the answers to the questions and the solutions to the exercises.