Mathématiques lycée by André Deledicq is a comprehensive mathematics textbook designed for high school students. It covers essential topics such as algebra, geometry, calculus, and trigonometry, structured to align with standard curricula. The book emphasizes clear explanations, practical examples, and exercises to reinforce learning. As a hardcover edition published in 1998, it remains a reliable resource for students and educators. The content is organized to ensure logical progression, making it suitable for exam preparation or foundational study. Deledicq’s expertise in educational materials is reflected in the book’s clarity and pedagogical approach, making it a trusted tool for mastering secondary-level mathematics. While primarily focused on theoretical concepts, it also includes applications relevant to real-world problem-solving. This textbook is particularly valuable for learners seeking a structured and thorough understanding of mathematical principles at the lycéum level.