This book, written in accordance with the revised school textbook, is aimed at second-year high school students who want an aid for their daily study. At the same time, it is also aimed at those who wish to deepen their basic knowledge in Mathematics and thus lay a solid foundation for their successful participation in the next grade's exams, which become more demanding year by year.

It contains:
- The basic theory with the necessary comments and clarifications.
- Methods and techniques for solving exercises, where feasible.
- Many model solved exercises of increasing difficulty, as well as challenging topics.
- Exercises for practice and suggested topics in each unit.
- Comprehension questions related to the theory and its immediate consequences.
- Review topics for the preparation of the May - June exams.
- The answers and hints to all the suggested topics.

We believe that the quality, quantity, and arrangement of the topics, combined with the teaching comments and necessary methodologies, will make this book a useful tool for knowledge and study for every student. [...]

(from the authors' preface)