For courses in Management Science or Decision Modeling.  A solid foundation in quantitative methods and management science.   Render/Stair/Hanna puts an emphasis on model building and computer applications to show students how the techniques presented in the text are used in business. This text#s us e of software also allows instructors to focus on the managerial problem, while spending less time on the mathematical details of the algorithms.   In the eleventh edition, Excel 2010 has been incorporated throughout the text and an even greater emphasis on modeling is provided.