What's a verification code, and why are they so important? Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For ...

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?

With new telephone numbers in high demand, the Tennessee Public Utility Commission approved the addition of the new 729 area code to the existing 423 area code region, which covers two non-contiguous ...