This book aims to serve as a useful aid for both B' Lyceum students and colleagues.

Each chapter consists of sections, each of which contains:

-Theory in the form of questions and answers, accompanied by comments and observations.
-Methodologies - Applications.
-Applications for consolidation & deepening.
-Comprehension questions, which aim to test the knowledge the student has acquired.
-Evaluation sheets for complete assimilation of the material.

In the last part of the book, there are answers and suggestions for all applications, comprehension questions, and exams.