Abstract
Significant advances in computer hardware and software have prompted the accelerated development of operations research (OR) software. Recently, a widespread interest has emerged in the design of user-oriented model-user interfaces that make existing OR methodologies readily available to practitioners. The feasibility of these systems has created new dimensions in the development of model generators that facilitate the use of OR techniques. This paper describes several programs that take advantage of some of the features of the microcomputer to assist the user in data input and editing, error detection in data entry, as well as model generation. The software illustrates different levels of ease of learning and use, modeling flexibility, and assistance to the user in the modeling effort, as well as in interactive decision making. It also illustrates different levels of user-program interaction.
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