| 摘要 |
PURPOSE: To change key arrangement according to the use state of article keys. CONSTITUTION: When an article registration processing means 13 ends article registration processing for storing sale information on articles, etc., in a memory, a sale order decision means 14 decides the sales order of the articles. A key arrangement control means 15 changes the arrangement of an article name key group for direct input in the key arrangement displayed on an input display means 11 according to the sales order and stores the data in a key arrangement storage memory 16. The data on the changed key arrangement are read in and the key arrangement corresponding to the sales order is displayed on the input display means 11. |
