Pi or π is a mathematical constant equal to a circle's circumference divided by its diameter.

Pi, π or Π may also refer to:

Language and typography

  • Pi (letter), in the Greek alphabet
  • Pi characters, uncommon characters in typesetting
  • Pi font, a term for some kinds of dingbat fonts
  • Pali, an Indo-Aryan language (ISO 639-1 code: pi)

Places

People

Given name

  • Pi de Bruijn (born 1942), Dutch architect
  • Pi O or П. O. (born 1951), Greek-Australian anarchist poet
  • Pi Schwert (1892–1941), American baseball player and politician
  • Pi Vèriss, Dutch songwriter and composer

Surname

Arts, entertainment, and media

Fictional characters

Music

Other arts, entertainment, and media

Science and mathematics

Chemistry and biochemistry

Logic and computer science

Mathematics

Physics

  • Pion or π, a subatomic particle

Other uses

See also

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