PROBLEM TO BE SOLVED: To provide a game shop business management system for easily taking business measures optimum for respective game halls.;SOLUTION: A database part 200 gathers the various kinds of operation information from game units such as Pachinko game machines and ball lending machines and stores them. A management supporting processing part 300 generates the various kinds of specifying information to be business management indexes such as sales, a rough profit and a working rate from the stored information, defines one piece of the specifying information such as the working rate as a reference and respectively graphs, overlaps and comparatively displays the correspondence relation of it and the other specifying information. A graph is obtained by approximation by regression analysis based on a result value. Also, when the supposed value of one pieces of the specifying information is inputted, the predicted values of the other specifying information for it are obtained from the graph and displayed together with errors included in the predicted values.;COPYRIGHT: (C)2002,JPO
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