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PersianEdit

 
Persian Wikipedia has an article on:
پی
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Etymology 1Edit

 
When a circle's diameter is 1 unit, its circumference is π units.
 
When a circle's radius is 1 unit, its circumference is 2π units.

PronunciationEdit

NounEdit

پی (pi)

  1. The letters "P" and the Greek "Π"
  2. (mathematics) Pi, An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.1415926535897932384626433832795; usually written π.

Etymology 2Edit

PronunciationEdit

NounEdit

پی (pey)

  1. (architecture) A foundation; the lowest and supporting part or member of a wall, including the base course and footing courses; in a frame house, the whole substructure of masonry.
  2. behind, back