Importance

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Abstract

An electronic cash register (ECR) comprises a memory for storing the stocked quantity of a commodity item, the transaction time, and the sale amount with respect to each commodity item; a clock for producing a present time; and a keyboard for instructing the output of a report in connection with an end-of-day sales processing. The transaction time stored in the memory is updated every time a transaction is performed with respect to each commodity item. The ECR determines when the stocked quantity of each commodity item is reduced to a predetermined number, e.g., zero. The transaction time finally stored in the memory is printed out together with data representing an associated commodity item in response to instruction by the keyboard for each commodity item whose stocked quantity is detected as having been reduced to said predetermined number.

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First Claim