This book is a comprehensive aid written with the purpose of preparing for the Panhellenic Examinations. It is addressed to all students: weak, average, good, and excellent.

Each section contains:

• Complete development of the theory of the school textbook with comments and observations. Each part of the examined theory, for better understanding, is accompanied by a basic solved example.

• Characteristic topics, which have been solved exemplarily and present basic work methods.

• Suggested exercises for solving, simple and complex, which are divided into categories. Special attention was given to the category of exercises "Connection with previous concepts", which includes exercises with a combination of questions from the entire content of the section being examined and the content of the previous sections.

• Topics from previous years' exams, which always appear in the last category of suggested exercises for solving.

• One or more evaluation criteria.

At the end of each chapter, there is a section with review topics.

At the end of the book, there are answers, sufficient hints, or complete solutions to all the suggested exercises.