HELPFUL MARGIN ANNOTATIONS CLARIFY KEY POINTS FOR STUDENTS. Popular, informative annotations in the margins of the book highlight key information and provide additional insights for readers who wish to know more. These clear annotations provide appropriate emphasis and enhance students" understanding of the book"s most important terms and concepts. * NOTES & COMMENTS PROVIDE ADDITIONAL INSIGHTS AND WARNINGS ABOUT METHODOLOGY. At the end of many sections, "Notes & Comments" offer additional insights about the methodology being discussed and its application. Notes & Comments may include warnings or highlight limitations of the methodology, may offer recommendations for applications, or provide brief, additional technical considerations. * SELF-TEST EXERCISES LET STUDENTS INSTANTLY CHECK COMPREHENSION BEFORE PROGRESSING. Helpful Self-Test Exercises let students immediately complete and evaluate their understanding of the concepts presented in the chapter. Completely worked-out Self-Test solutions appear in an appendix in addition to the solutions for even-numbered problems, as requested by past users. * ENGAGING Q.M.IN ACTION ARTICLES SUMMARIZE APPLICATIONS FROM TODAY"S BUSINESS. Interesting Q.M. in Action articles throughout the text offer practical summaries of how quantitative methods apply in business today. The articles feature adaptations from Interfaces and OR/MS Today articles as well as written contributions from leading practitioners.