PI
[1] Parameter Identifier[2] Protocol Interpreter
[3] Programming Instruction
[4] Presentation Image - Paket zur Darstellung einer Seite bei BTX
[5] Principal Investigator
[6] Parallel Input
[7] Performance Index
[8] Priority Interrupt
[9] Processor Interface
[10] Program Indicator
[11] Program Interrupt
[12] Proportional Integral (->""IEEE" Standard Dictionary")
[13] Push Initiator
[14] Autokennzeichen für Kreis Pinneberg, Schleswig-Holstein