This book contains two sections, the first section devoted to indicate what quantitative analysis and operations research entrance to address the problems of management and the idea of building models also present briefly the nature of each of the methods Chairperson of the Operations Research and the problems dealt with. And in Part II provides some basic concepts of linear programming language sports first presented some problems for the task, and secondly, the subject of sensitivity analysis used to identify the impact of change in one of the indicators of the optimal solution. The book ends with references proved to terms and Scouts of topics.