| 摘要 |
PURPOSE:To respond a customer's confidence, by providing a time zone preset memory and a seat memory in advance, making charge calculation based on the charge on time zone to be preset and issuing a receipt with the time and the content of service. CONSTITUTION:When a customer comes to a shop, a table number C seated by the customer and the number of persons D are inputted with an entry key. When the key input interruption is present, the sequence of the key input is discriminated. when the key input sequence is done correctly, a CPU12 reads in a clock data of a clock counter 24c and sets numerals to the number of persons D and a seated time E of a memory area of the corresponding table number C of a seat memory 12b. A unit price by arrival time is drawn out from a preset memory 13a and a value multiplied with the number of persons is set to a memory area of a constant amount G and a one set chargeI. When a flag is 1, the total of registrated value added in this time to a summed-up area of an RAM13 is subtracted from the amount G in a seat memory 13b to monitor if the sign of the value is positive or negative. |
