mathematical constant [[Pi\| $π$ ]]
Part of a series of articles on the
3.1415926535897932384626433...
Uses
Area of a circle Circumference Use in other formulae
Properties
Irrationality Transcendence
Value
Less than 22/7 Approximations Madhava's correction term Memorization
People
Archimedes Liu Hui Zu Chongzhi Aryabhata Madhava Jamshīd al-Kāshī Ludolph van Ceulen François Viète Seki Takakazu Takebe Kenko William Jones John Machin William Shanks Srinivasa Ramanujan John Wrench Chudnovsky brothers Yasumasa Kanada
History
Chronology A History of Pi
In culture
Indiana Pi Bill Pi Day
Related topics
Squaring the circle Basel problem [[Six nines in pi\|Six nines in $π$ ]] [[List of topics related to π \|Other topics related to $π$ ]]
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