This lively, informal applied calculus text?ideal for students in business, economics, life sciences, social sciences, and liberal arts?speaks directly to the student. In a clear, conversational style, the authors focus on key themes without bogging students down in peripheral detail. Well-chosen real-life examples keep student interest high and motivate students to apply the mathematics they are learning. The text is carefully structured while remaining interesting, clear, and relevant. This text is available in two versions: a brief version suitable for a one-semester course and a full version for a two-semester course.