Since 1992, I had the honor and the pleasure of working with numerous students and realized the need for prep books that can simply explain the fundamentals of mathematics. This book is built on many years of research and experience in this field. Most importantly, the questions in this book focus on building a solid understanding of basic mathematical concepts. Without understanding these solid foundations, it will be difficult to score well on these exams. This book emphasizes that any difficult math question can all be solved with a solid understanding of basic concepts. "Perfect Tips and 8 full length practice tests (4 AP Calculus AB and 4 AP Calculus BC)"