Computer program capable of changing a sales item to another sales item with simple operation

A computer readable program medium for performing a method in conjunction with a POS registering system, the POS registering system comprising a display device, and a touch panel input device disposed on said display device, the computer-readable program medium including a plurality of computer executable instructions stored on the medium, wherein the instructions, when executed by a computer, cause the computer to perform the steps of:

• causing said display device to display an input screen containing a plurality of menu buttons and at least one selection button, each of said menu buttons representing a sales item name of a unique sales item, the selection button being used to select sales item names represented on the menu buttons, and changing the sales item names represented on the menu buttons to those corresponding to the touched selection button when the touching thereon is detected corresponding to an output from said touch panel input device;
• searching a table, the table correlatively containing sales item codes of sales items represented on the menu buttons and entries of sales item data containing sales item names and prices of the sales items, for an entry of designated sales item data corresponding to a sales item name represented on a menu button when a touching of the menu button on said input screen is detected corresponding to an output from said touch panel input device;
• searching said table for entries of correction alternative sales item data corresponding to sales item names which are assigned to the touched menu button and which are not represented on the touched menu button;
• causing said display device to display the entry of designated sales item data and the entries of correction alternative sales item data in such a manner that the entry of the designated sales item data is displayed in a different format from the entries of correction alternative sales item data;
• and
• when one of the entries of correction alternative sales item data is selected, registering the selected entry of correction alternative sales item data as an entry to be registered.

A computer readable program medium for performing a method in conjunction with a POS registering system, the POS registering system comprising a display device, and a touch panel input device disposed on said display device, the computer-readable program medium including a plurality of computer executable instructions stored on the medium, wherein the instructions, when executed by a computer, cause the computer to perform the steps of:

• causing said display device to display an input screen containing a plurality of menu buttons and at least one selection button, each of said menu buttons representing a sales item name of a unique sales item, the selection button being used to select sales item names represented on the menu buttons, and changing the sales item names represented on the menu buttons to those corresponding to the touched selection button when the touching thereon is detected corresponding to an output from said touch panel input device;
• searching a button table, the button table containing entries of position information of the menu buttons, entries of position information of the selection buttons, and sales item codes in such a manner that a sales item code is designated by a combination of an entry of position information of the menu button and an entry of position information of the selection button, for a sales item code corresponding to a sales item name represented on a menu button touched on said touch panel input device on the basis of an entry of position information of the touched menu button and an entry of a selection button which has most recently been touched, and further searching a PLU table, the PLU table containing the sales item codes contained in said button table and entries of sales item data, said sales item data including a name and price of each sales item, said entry of sales item data being correlated to a sales item code, for an entry of designated sales item data corresponding to the searched sales item code;
• searching said button table for sales item codes corresponding to sales item names being capable of, but not being, represented on a menu button touched on said touch panel input device, the sales items names being associated with the touched menu button, on the basis of an entry of position information of the touched menu button and an entry of a selection button which has most recently been touched, and further searching the PLU table for an entry of correction alternative sales item data corresponding to the searched sales item codes;
• causing said display device to display the entry of designated sales item data and the entries of correction alternative sales item data in such a manner that the entry of the designated sales item data is displayed in a different format from the entries of correction alternative sales item data;
• and
• when one of the entries of correction alternative sales item data is selected, registering the selected entry of correction alternative sales item data as an entry to be registered.