The origin of bank credit card
The first bank credit card occurred at the end of 19. In the 1980s, the British clothing industry developed into the so-called bank credit card, and the tourism development and business departments also followed this fashion trend. However, at that time, credit cards could only be used for short-term commercial services, and the accounts should be paid back at any time, not for a long time, and there was no credit line. Generally, bank credit cards are plastic credit cards with special media, which are 85, 60mm long, 53, 98mm wide and 65, 438+0 mm thick. The name, expiration date, serial number, user name and other contents of the card-opening institution are printed on the front, and the chip, magnetic stripe card and signature strip are integrated on the back. Users can use bank credit cards to buy things, spend money and deposit cash in banks. This paper is mainly about how to calculate the principal of credit card, and the content is for reference only.