运筹学是把科学方法应用在指导和管理有关的人员、机器、物资以及工商业、政府和国防方面资金的大系统中所发生的各种问题。其独特的方法是发展一个科学的系统模式，列入随机和风险等各种因素的尺度，并运用这个模式预测和比较各种决策、战略并控制方案所产生的后果。其目的是帮助主管人员科学地决定方针和政策。-Operations research is the scientific method in the direction and management of personnel, machinery, materials and industrial and commercial, government and defense funding of large-scale systems in the various problems that occur. Its unique approach is to develop a scientific system model, the inclusion of various random and risk factors of scale, and use the model prediction and comparison of different decision-making, strategies and consequences of control programs. The aim is to help executives decide scientific principles and policies.