| 摘要 |
PROBLEM TO BE SOLVED: To easily and exactly prepare a household account book by providing a means for inputting data concerning purchased articles, a means for classifying the input data and operating amounts of money and a means for storing the date of article purchase and reading out arithmetic data corresponding to the date. SOLUTION: Concerning the household account book card, an IC chip or an IC module is provided inside the card. Then, a display 1 for displaying a usable or limited amount, article name, article code, amounts of respective articles, total amount of purchased articles, subtracted amount obtd. by subtracting the total amount of purchase amounts from the usable or limited amount and date or the like and a ten key 2 for inputting the article code and the amount of article by itself are provided on the surface. Thus, since the prices of purchased articles, the total money amount and the codes of purchased articles can be directly inputted from the electronic cash register of a shop to purchase articles, it is not necessary to enter accounts in household account book everyday. |
