pi
Pi stands for:
- , mathematical constant, see circle number
- Pi (letter) , Greek letter
- Pi (double reed instrument)
- Raspberry Pi , single-board computer
- Pi (film) , American science fiction thriller (1998)
- Pi (art project) in the Vienna subway
- Pi! (Band) , German rock band (from 2004)
- Pi Islands , archipelago in the Palmer Archipelago, Antarctica
- former name of Pidu (Chengdu), city in China
People:
- Pi Chun-deuk (1910–2007), South Korean poet and essayist
- Francisco Pi i Margall (1824–1901), liberal Spanish politician
- Meritxell Mateu i Pi (* 1966), Andorran diplomat and politician
- Pi Hongyan (* 1979), Sino-French badminton player
- Prinz Pi (actually: Friedrich Kautz; * 1979), German rapper
- Pi Patel, main character from Life of Pi , novel and film, see Shipwreck with Tiger
PI or PI stands for:
- Legatum Prosperity Index , prosperity indicator
- Page impression, see page view
- Pearl index , a measure of the reliability of methods of contraception
- Perimeter Institute for Theoretical Physics , research institute in Canada
- PI controller , type controller
- Piauí , Brazilian state
- Politically Incorrect , Blog
- Police station, a police station
- Polyimides , family of plastics
- Ponderal index , body mass number
- Prussian instructions , library rules
- Principal Investigator, project manager , see project manager
- Privacy International , human rights organization
- Processing instruction , see processing instructions
- Profibus & Profinet International , industry association
- Program Identification Code , unique identification of the radio program
- Propidium iodide , dye
- Plastochron , measure of plant growth
- Provider Independent Address Space , Internet Protocol Addresses
- Test engineer , automotive expert
- Sablatnig PI , German airliner
- SAP Process Integration , component of the SAP software
- Military airship PI, see list of Parseval airships #PL 2 / PI
- Forecast interval , specified in the statistics
PI as a distinguishing mark on license plates:
- Germany: Pinneberg district
- Greece: Larissa
- Italy: Province of Pisa
- Serbia: Pirot
- Czech Republic: Okres Písek
pi or pI stands for:
- Middle Indian language Pali , according to ISO 639-1 code
- Zodiac sign, see Pisces (zodiac sign)
- Piqué (piqué), clarity level for diamonds, see diamond #Purity (clarity)
- isoelectric point , pH in relation to amino acids
See also: