This accessible text is organized into two parts: (1) A Library of Elementary Functions (Chapters 1 -2) and (2) Calculus (Chapters 3 -9). The bookâ??s overall approach addresses the challenges of teaching and learning when readersâ?? prerequisite knowledge varies greatly. Reader-friendly features such as Matched Problems, Explore & Discuss questions, and Conceptual Insights, together with the motivating and ample applications, make this text a popular choice for todayâ??s readers.