How to cancel sales items registered in cash register

摘要

The present invention relates to a method of displaying a registered product on a display device by pressing a designation cancel key of a keyboard in a cash register and selecting and canceling one or more registered products by using a cursor key, Displaying a registered product on a display device by inputting a designation cancel key; Designating and displaying products to be unregistered using a cursor key; And canceling the designated registered products by pressing the input key. In order to cancel the registered product, the registration code of the discount code, the premium, the tax, and the service rate performed at the time of registration as well as the product code It is possible to solve the troublesome use of the apparatus. (Selectivity: first degree)