| 摘要 |
PROBLEM TO BE SOLVED: To realize a securer credit card managing system by making the user set a use limit amount of a credit card himsey. SOLUTION: The system includes a computer terminal as a system, in which the user changes the use limit amount of the credit card within a range set by a credit card company, a network, a central processing unit and a computer terminal for obtaining approval, when credit is to be used. |
