摘要
Transferred from en.wikipedia to Commons by Maksim.
The original description page was
here. All following user names refer to en.wikipedia.
Made by AugPi using Mathematica, Microsoft Paint, Microsoft Word and MathSoft Equation Editor.
(c) AugPi, 2004. Licensed to Wikimedia Foundation.
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date/time |
username |
edit summary
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03:39, 5 November 2004 |
en:User:AugPi |
(GFDL)
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04:11, 10 June 2004 |
en:User:AugPi |
(Mathsoft-->MathSoft)
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04:09, 10 June 2004 |
en:User:AugPi |
(also used Word and EquationEditor)
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04:07, 10 June 2004 |
en:User:AugPi |
(break)
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04:06, 10 June 2004 |
en:User:AugPi |
(made by AugPi)
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04:02, 10 June 2004 |
en:User:AugPi |
(A set of four cardioids, oriented in the four cardinal directions, with their respective equations.)
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原始上傳日誌
Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.
Click on date to download the file or see the image uploaded on that date.
- (del) (cur) 04:02, 10 June 2004 . . en:User:AugPi AugPi ( en:User_talk:AugPi Talk) . . 651x686 (33695 bytes) (A set of four cardioids, oriented in the four cardinal directions, with their respective equations.)
When drawing geometric figures, aspect ratio must be maintained sacrosanct.
As it stands today, the 4 figures (all congruent Cardioids) look different as height>width.
122.166.34.62 09:13, 23 May 2008 (UTC)