* Text has been thoroughly REVISED TO MAXIMIZE RIGOR, CLARITY, READABILITY and approachability * KEY CONCEPTS throughout the book are especially marked and highlighted * CHAPTER REVIEWS at the end of each chapter are highlighted and provide itemized summaries of all key material * Approximately 50percent of the homework problems are new to this eighth edition. All NEW PROBLEMS have been independently solved in order to ensure a high degree of accuracy. * SAMPLE PROBLEMS have been integrated throughout, inclusing problems with computer-oriented solutions. * Answers to all problems listed in a special section at the very end of the book. * NEW PHOTOGRAPHS reinforce students understanding of how the concepts relate to the real world