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This comprehensive book deals with the theoretical aspects of operations research, and explains the concepts with practical examples. It begins by focusing on the need and prerequisites of operations research and moves on to discuss topics such as linear programming, integer programming, nonlinear programming, assignment problems, and inventory models in sufficient detail. Besides, this text also explains how to achieve different goals in the order of priority to optimize the objective function, various criteria of decision making under certainty, uncertainty and risk, and different techniques of analyzing the time involved in completing the project and the related cost. Key Features Gives well-defined algorithms to illustrate the different techniques of operations research. Inventory problems are discussed with calculus. Provides worked-out examples in each chapter to illustrate the concepts discussed. This text is intended for the undergraduate and postgraduate students of Mathematics, Statistics, Engineering, and postgraduate students of Computer Applications and Business Administration. In addition, practising executives, consultants and managers will also find the book very useful. Table of Contents Preface 1. Why Operations Research? 2. Prerequisite For Operations Research 3. Linear Programming 4. Integer Programming 5. Goal Programming 6. Non-Linear Programming 7. Geometric Programming 8. Transportation Problem 9. Assignment Problem 10. Decision Analysis 11. Inventory Problems 12. Queuing Theory 13. Replacement Models 14. Dynamic Programming 15. Project Management 16. Sequencing 17. Simulation 18. Game Theory Appendix Statistical Tables Index