CARD SYSTEM FOR ACHIEVEMENT DEGREE DISPLAY AND CARD FOR ACHIEVEMENT DEGREE DISPLAY

摘要

PROBLEM TO BE SOLVED: To display achievement degree by considering the progressing degree of a matter as the achievement degree to a specified state of such as a target or the like and to facilitate the management of numerical information required for achievement degree calculation in a card system or the like for a point service or the like. SOLUTION: This system is provided with a card 10 for achievement degree display provided with an information recording part and an information display part 4 for repeatedly rewriting visible information by external energy, a reader-writer for reading and writing information from/to the information recording part of the card and rewriting the visible information to the information display part and a data processing means for performing the processing of the information to the information recording part and the information display part. Then, at the time of recording a numerical value and/or the achievement degree for the target numerical value of the numerical value relating to the progressing degree of the matter at least in the information recording part of the card, the data processing means calculates the achievement degree for the target numerical value of the numerical value relating to the progressing degree of the matter and the information of a numeral, a character and a pattern, etc., relating to the achievement degree is displayed at the information display part by the reader-writer.