This introductory differential equations book is one of the first to integrate technology throughout the text. Using a computer algebra system (CAS) helps students to solve problems (both specific and general cases), to reason spatially through visualization, to compare changing variables and parameters, to make inferences, and to evaluate outcomes. Students learn how and when to use technology tools by examples, in exercises, and in applications. The authors' writing style is easy to read, yet mathematically precise. The text assumes students have completed a first-year calculus course and theorems are proved only if their proofs are instructive or have teaching value.

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