| 摘要 |
PROBLEM TO BE SOLVED: To transfer order data by connecting the ordering electronic calculator for article purchase directly to the terminal device for totalization and also confirm and correct the order data before the transfer. SOLUTION: The ordering electronic calculator 10 is provided with an IC card applicable connector part 5 which is in partially the same shape with an IC card and used for a connection with the terminal device for totalization. Further, this electronic calculator is provided with a memory part 33 which can stores sales data on plural articles in advance, a keyboard part 9 for writing the order data, an arithmetic processing part 31 which processes the order data inputted from the keyboard part 9, and a display part 11 which displays the sales data, order data, etc. The order data are inputted by using the keyboard part 9 and display part 11 and the electronic calculator is connected to the terminal device 20 for totalization to transfer the order data. Prior to the transfer, the order data can be confirmed and corrected by using the keyboard part 9 and display part 11 of the ordering electronic calculator. |
