PROBLEM TO BE SOLVED: To purchase articles at any time without cash and to construct a commissary store advantageous in terms of cost by reading a first storage medium attached to the article to be purchased by an article information read mean and reading a second storage medium owned by himself/herself by a money amount informant read means. ;SOLUTION: A purchaser makes the bar code of the desired article of an article display stand 1 be read by a bar code reader and makes an IC card owned by himself/herself storing prepaid information be read by an IC card reader-writer. Article price is read from the bar code and displayed on a touch panel. When a purchasing request is inputted by the touch panel, whether or not the amount of money is equivalent to the price of the article is judged from the read prepaid information. When it is equivalent, the fact that the article is purchased, a reduction value and the balance of the prepaid informant, etc., are displayed on the touch panel and the price obtained by subtracting the prepaid information corresponding to the price from the read prepaid information is written to the IC card.;COPYRIGHT: (C)1999,JPO
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