INCOME/EXPENDITURE MEASURING DEVICE, PROGRAM AND COMPUTER-READABLE RECORDING MEDIUM

PROBLEM TO BE SOLVED: To provide an income/expenditure measuring apparatus, a program and a computer-readable recording medium having recorded program which make an introductory simulation possible to match the actual situations of a real game parlor. SOLUTION: Game processing means 42-1 to 42-S repeatedly execute lottery for winning premia and then, execute a number of hand balls managing processing in which the number T of cast balls is subtracted from the number M of hand balls per execution of lottery and the number H of putout balls corresponding to the result of the lottery is added to the number M of hand balls, a purchase processing which adds a prescribed number of balls to the number M of hand balls each time the number M of hand balls lowers below the prescribed lower limit value and a replacement processing which resets the number M of hand balls to a prescribed initial value each time the frequency of executing lottery reaches designated replacing game counts Nr. This enables the derivation of the number M of hand balls at the end of the prescribed frequency of lottery, the number M of hand balls at the moment of the execution of the replacement processing and the sales value U according to the frequency of executing the purchase processing. COPYRIGHT: (C)2008,JPO&INPIT