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{{ sidebar
| name     = Pi box
| pretitle = Part of [[:Category:Pi|a series of articles]] on the
| title    = mathematical constant [[Pi|{{pi}}]]
| image    = {{#ifeq: {{PAGENAME}}|Pi|[[File:Pi-unrolled-720.gif|frameless]]}}
| class    = hlist

|content0 = '''{{gaps|3.14159|26535|89793|23846|26433...}}'''

| heading1 = Uses
| content1 = 
* [[Area of a circle]]
* [[Circumference]]
* [[List of formulae involving π|Use in other formulae]]

| heading2 = Properties
| content2 = 
* [[Proof that π is irrational|Irrationality]]
* [[Lindemann–Weierstrass theorem|Transcendence]]

| heading3 = Value
| content3 = 
* [[Proof that 22/7 exceeds π|Less than 22/7]]
* [[Approximations of π|Approximations]]
* [[Madhava's correction term]]
* [[Piphilology|Memorization]]

| heading4 = People
| content4 = 
* [[Method of exhaustion#Archimedes|Archimedes]]
* [[Liu Hui's π algorithm|Liu Hui]]
* [[Zu Chongzhi]]
* [[Aryabhata]]
* [[Madhava of Sangamagrama|Madhava]]
* [[Jamshīd al-Kāshī]]
* [[Ludolph van Ceulen]]
* [[François Viète]]
* [[Seki Takakazu#Calculation of Pi|Seki Takakazu]]
* [[Takebe Kenko#Legacy| Takebe Kenko]]
* [[William Jones (mathematician)|William Jones]]
* [[John Machin]]
* [[William Shanks]]
* [[Srinivasa Ramanujan]]
* [[John Wrench]]
* [[Chudnovsky brothers]]
* [[Yasumasa Kanada]]

| heading5 = History
| content5 = 
* [[Chronology of computation of π|Chronology]]
* ''[[A History of Pi]]''

| heading6 = In culture
| content6 = 
* [[Indiana pi bill]]
* [[Pi Day]]

| heading7 = Related topics
| content7 = 
* [[Squaring the circle]]
* [[Basel problem]]
* [[Six nines in pi|Six nines in {{pi}}]]
* [[List of topics related to π |Other topics related to {{pi}}]]
}}
<noinclude>
{{Confused|Template:Pi}}
{{doc|content=
==People==
{{main|Chronology of computation of π|l1=Chronology of computation of {{pi}}}}
People are ordered by their birth year.

#[[Archimedes]] (c. 287 BC – c. 212 BC)
#[[Liu Hui]] (3rd century)
#[[Zu Chongzhi]] (429–500)
#[[Aryabhata]] (476–550)
#[[Madhava of Sangamagrama|Madhava]] (1340–1425)
#[[Jamshīd al-Kāshī]] (c. 1380–1429)
#[[Ludolph van Ceulen]] (1540–1610)
#[[François Viète]] (1540–1603)
#[[Seki Takakazu#Calculation of Pi|Seki Takakazu]] (1642–1708)
#[[Takebe Katahiro#Legacy|Takebe Katahiro]] (1664–1739)
#[[William Jones (mathematician)|William Jones]] (1675–1749)
#[[John Machin]] (1686–1751)
#[[William Shanks]] (1812–1882)
#[[John Wrench]] (October 13, 1911 – February 27, 2009)
#[[Chudnovsky brothers]] (David Volfovich in 1947; Gregory Volfovich in 1952)
#[[Yasumasa Kanada]] (1949–)

[[Category:Mathematics sidebar templates]]
}}</noinclude>

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