Electronic cash register enabling to select recommendation commodities to a customer

摘要

An electronic cash register for registering sales of commodities sold to a customer is stored with a list of predetermined commodities to be recommended to customers. The predetermined commodities are compared one after another according to priority orders with the commodities sold and extracts items in the predetermined commodities which are different from the commodities sold. Then, the extracted items are displayed on a monitor display, and are recommended to the customer.