Pi is the sixteenth letter of the Greek alphabet, representing sound. In the system of Greek numerals it has a value of 80. It was derived from the Phoenician letter Pe (). Letters that arose from pi include Cyrillic Pe, Coptic pi, and Gothic pairthra ().
The 3 types of commercial drivers are Class A, B, and C licenses. 1  Class A Commercial Driverâs License â Combination Vehicle permit holder can drive all commercial vehicles or a combination of commercial vehicles with a gross weight of 26,001 lbs. or more.
All CLASS A, B, C licenses issued by the 50 states will have their:  1 CDL or.  2 Commercial Driver License on the front of the license. 3  All CMV drivers, nationwide, must possess the appropriate class of license, issued by their state of residency, on or after April 1, 1992. A resident who holds a valid Florida operator license may continue to operate vehicles for which a CLASS E driver license is required, until the operator license expires.