Amazon.com description: Product Description: With the same design and feature sets as the market leading Precalculus, 7/e, this new concise text provides both students and instructors with sound, consistently structured explanations of the mathematical concepts. Precalculus: A Concise Course is designed to offer a cost-effective, one-semester alternative to the traditional two-semester precalculus text. It contains the features that have made the Larson/Hostetler series a complete solution for both students and instructors: interesting applications, pedagogically effective design, and innovative technology combined with an abundance of carefully developed examples with worked-out solutions and exercises.