| 摘要 |
PURPOSE:To carry out the comparison between the sales of an entire store and the gifts of the entire store by comparing the number of the lending bodies lent from a lending machine with the number of the lending bodies returned for exchanging the gifts and incorporating a processing display device for arithmetically processing the slump of the difference between all sales and all gifts to display it. CONSTITUTION:To the counter 5 of the processing display device 13, a pulse is fed from a register 6. The number Y of the pulses corresponds to the number of coins in an accommodating part 3 calculated by the register 6 based on continuous data of the accommodating part 3 measured by the register 6. The number X of the pulses fed to a counter 10 from the coin leading machines 7-9 corresponds to the total number of the coins lent in the coin lending machines 7-9. The arithmetic circuit 6 can operate a value Z obtained by subtracting the count value of the counter 5 from the count value of the counter 10 and this value Z represents the slump.
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