This revision of Boyce & DiPrima's market-leading text maintains its classic strengths: a contemporary approach with flexible chapter construction, clear exposition, and outstanding problems. 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 and Boundary Value Problems as they apply to engineering and the sciences. A perennial best seller designed for engineers and scientists who need to use Elementary Differential Equations in their work and studies. Covers all the essential topics on differential equations, including series solutions, Laplace transforms, systems of equations, numerical methods and phase plane methods. Offers clear explanations detailed with many current examples. Before you buy, make sure you are getting the best value and all the learning tools you'll need to succeed in your course. If your professor requires eGrade Plus, you can purchase it here, with your text at no additional cost. With this special eGrade Plus package you get the new text- - no highlighting, no missing pages, no food stains- - and a registration code to "eGrade Plus, a suite of effective learning tools to help you get a better grade. All this, in one convenient package! eGrade Plus gives you: A complete online version of the textbook Over 500 homework questions from the text rendered algorithmically with full hints and solutions Chapter Reviews, which summarize the main points and highlight key ideas in each chapter Student Solutions Manual Technology Manuals for Maple, Mathematica, and MatLa Link to JustAsk! eGradePlus is a powerful online tool that provides students with an integrated suite of teaching and learning resources and an online version of the text in one easy-to-use website.