We produce Mifare EV1 RFID tags and need to convert the UID to a seven-digit code printed on a wristband. Does anyone have a formula to convert the UID to a seven-digit code using numbers and letters?
Some of the greatest electronic calculators of all time, including the venerable HP-16C, included functionality to convert numbers between different bases. 3735928559 might not mean much in base 10, ...