| 摘要 |
PROBLEM TO BE SOLVED: To effectively use a display part having a wide display area and a non-volatile storage device. SOLUTION: This POS terminal equipment has an electronic journal data storage part 5 preserving and managing sales information on a product, a display part 3 displaying sales information and an electronic journal data input/ output control part 4 registering data on a reserve that is previously prepared for use on that day and data on a result obtain by executing money reception/ payment on the product in the electronic journal data storage part 5, generating change history data for respective denominations by using data on the registered reserve, money reception data and payment data and predicting the reserve prepared for that day based on change transaction history data. |
