| 摘要 |
PROBLEM TO BE SOLVED: To realize a commodity sales data processing unit capable of preventing the arithmetic error by improving the certainty in deposit crediting business, and improving the efficiency in settlement work of the entire commodity sales business. SOLUTION: A CPU 21 comprises a first settlement means for calculating the difference between the amount of deposit on the basis of the deposit information of an automatic change machine 7 and the total amount of purchased commodities, as the change, and a second settlement means for replacing the amount of deposit by the input operation by a handler, and calculating the difference between the amount of deposit and the total amount of the purchased commodities as the change. An RAM 23 stores a handler file capable of determining the selection information for selecting one of the first and second settlement means by every handler, and the CPU 21 judges the use of the first or the second settlement means on the basis of the selection information of the handler file corresponding to the handler inputted and designated upon opening the self-device. COPYRIGHT: (C)2004,JPO
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