This book focuses on giving you the tools that you need to succeed in your Precalculus course. The book is ideal for students of a wide range of abilities and especially for those who find mathematics difficult. Every effort has been made to explain concepts in a clear and simple language which makes the text easy to understand and follow without help. The exercises at the end of each section are varied, providing basic skill in problem solving. Every chapter ends with review exercises. The review exercises provide students more opportunities to practice and work out more exercises to master the concept and skill. The clarity of the presentation makes the book excellent for self-study.