Boyce & DiPrima's market-leading text maintains its classic strengths: a contemporary approach with flexible chapter construction, clear exposition, and outstanding problems. A reorganized structure helps to make concepts even clearer and easier to understand. An abundance of new problems have been added to the problem sets, with special attention paid to incorporating computer technology. Like previous editions, this revision is written from the viewpoint of the applied mathematician, focusing both on the theory and the practical applications of Differential Equations as they apply to engineering and the sciences. The text is intended for a sophomore/junior level course in Ordinary Differential Equations that is taught in departments of mathematics and engineering with a calculus prerequisite. Take advantage of a valuable opportunity When you purchase this new Course Advantage Edition of Boyce & Diprima's Elementary Differential Equations and Boudary Value Problems, 7/e, you'll have all the resources you need to succeed in your course. The Course Advantage Edition gives you a CD-ROM with powerful ODE Architect modeling software and a special registration password that connects you to an array of Web-based Learning tools. The CD-ROM includes: The award-winning ODE Architect software. The software's 14 modules enable you to build and solve your own ODEs, and to use simulations and multimedia to develop detailed mathematical models and concepts in a truly interactive enviro