From Wikipedia, the free encyclopedia

No higher resolution available.

Pi-unrolled-720.gif (720 × 228 pixel, file size: 260 KB, MIME type: image/gif)

Wikimedia Commons logo This is a file from the Wikimedia Commons. The description on its description page there is shown below.
Commons is attempting to create a freely licensed media file repository. You can help.
Featured picture star This is a featured picture, which means that members of the community have identified it as one of the finest images on the English Wikipedia, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to upload it using the proper free license tag, add it to a relevant article, and nominate it.
Wikipedia logo This image was selected as picture of the day for January 20, 2007.


Animation of the act of unrolling a circle's circumference, illustrating the ratio π. Oversize (720px) and anti-aliased version of Image:Pi-unrolled-old5.gif.

This version has been re-uploaded to the root filename Image:Pi-unrolled.gif; however please retain this duplicate for comparison, due to technical limitations.


English: Animation of the act of unrolling a circle's circumference, illustrating the ratio π. Oversize (120px) and anti-aliased version of Image:Pi-unrolled.gif 128×128 (266,713 bytes).
Deutsch: Animierter Abrollvorgang des Kreisumfanges, der die Zahl π veranschaulicht. Vergrößerte (120px) Anti-Aliasing-Version von Image:Pi-unrolled.gif 128×128(266,713 bytes).



7 October 2006


John Reid



Other versions Pi-unrolled slow.gif


GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled " GNU Free Documentation License".

العربية | Asturianu | Български | বাংলা | ইমার ঠার | Brezhoneg | Bosanski | Català | Sinugboanong Binisaya | Česky | Dansk | Deutsch | Ελληνικά | English | Esperanto | Español | Eesti | Euskara | فارسی | Suomi | Français | Galego | עברית | Hrvatski | Magyar | Bahasa Indonesia | Ido | Íslenska | Italiano | 日本語 | ქართული | 한국어 | Kurdî / كوردي | Latina | Lëtzebuergesch | Lietuvių | Bahasa Melayu | Nnapulitano | Nederlands | Norsk (nynorsk) | Norsk (bokmål) | Polski | Português | Română | Русский | Slovenčina | Slovenščina | Shqip | Српски | Svenska | తెలుగు | ไทย | Türkçe | Українська | اردو | Tiếng Việt | Volapük | 中文(简体) | 中文(繁體) | +/-

The following pages on the English Wikipedia link to this file (pages on other projects are not listed):
  • Pi
  • Image talk:Pi-unrolled.gif
  • Wikipedia:Wikipedia Signpost/2006-10-16/Features and admins
  • Wikipedia:Featured picture candidates/October-2006
  • Wikipedia:Featured picture candidates/pi-unrolled
  • Wikipedia:Featured pictures/Sciences
  • Wikipedia:Featured pictures thumbs 07
  • Image talk:Pi-unrolled.gif/Gallery
  • Image talk:Pi-unrolled-opt2.gif
  • Wikipedia:Picture of the day/January 2007
  • User talk:Randfan/pi500
  • User talk:Dep. Garcia/Awards
  • Wikipedia:Today's featured picture (animation)/January 20, 2007
  • User:Smcafirst/Cool Images
  • Wikipedia:Wikipedia Signpost/2006-10-16/SPV
  • User:Jacroe/Images
  • User:Howcheng/Picture of the day/January 2007
  • Template:POTD/2007-01-20
  • User:Dylan Lake/Favourite pictures/Animations