This is the best-selling applied calculus text for the 4 year marketplace. More rigorous than Barnett, Goldstein/Lay/Schneider still provides an accessible text to students and instructor's alike. Integrating more usage of Excel and Optional Graphing calculator examples and exercises, this revision is sure to bring this classic to the classroom in an up-to-date approach. A full website with Excel sownloadable projects/tutuorials accompanies the text.