The two-volume work "Mathematics for General High School, Orientation Groups" is a comprehensive aid for all students, especially those aiming for high-ranking schools, as it methodically and exhaustively approaches the teaching material.

Each chapter contains:

- Theory accompanied by observations, examples, and counterexamples that promote and ensure its understanding.
- Methodology for solving exercises accompanied by appropriate solved exercises and applications.
- Various types of comprehension questions.
- Exercises and problems to solve.

Each volume includes:

- Review topics.
- Exams.
- Answers and solutions to all the above.

This first volume covers the teaching material from 1.1 "Real Numbers" to 2.4 "Rate of Change" of the school textbook.