JPS5783870A - Electronic cash register - Google Patents

Abstract

PURPOSE:To register a proper surcharge or an amount of reduction in the ordinary registering, the multiplication registering and the repeating registering respectively without causing any difference to the result of operation, by first performing a rate calculation to the unit price of goods and then multiplying the amount of the calculation by the number of sold goods. CONSTITUTION:The department-based memories, the responsible person-based memories, etc. are provided to an RAM12 of an ECR; while a display, a printer, a numerical regitering buffer memory, etc. are provided to an RAM13 respectively. A presetting memory which can preset the surcharge rate or the reduction rate to each goods-based amount of the RAM12. Then the rate corresponding to the preset department-based amount by the unit price of goods in response to the operation of a (%+) key or a(%-) key on a keyboard 2 in case the goods belonging to each department of goods which is stored in the memory is subject to a reduction while the goods purchased by a custommer is registered. Thereafter, the result of multiplication is multiplied by the number of goods sold through an arithmetic part of a CPU11. This result of the rate operation is printed by a printer 21, and a receipt is issued.