CHANGE MANAGING METHOD, CHANGE MANAGING SYSTEM, HOST COMPUTER PROVIDED WITH CHANGE MANAGING FUNCTION, CASH REGISTER PROVIDED WITH CHANGE MANAGING FUNCTION, AND CHANGE CARD

摘要

PROBLEM TO BE SOLVED: To cancel trouble in the exchange of change in shopping and to reduce the preparation of change composed of coins. ;SOLUTION: A change managing method is managed together with the money of sales by cash registers 12, 13, 14... and a host computer 11. Concerning this change managing method, a change card storing a preset amount is used. When shopping is performed, the cash registers 12, 13, 14... operate the change by subtracting the amount of sales from the paid cash. However, an amount less than the amount set to the change card is stored on the change card for every sale and an amount more than the set amount is paid as the change for every sale.;COPYRIGHT: (C)1998,JPO