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Combined display of all available logs of explain xkcd. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 21:21, 1 July 2013 Buster (talk | contribs) uploaded a new version of File:1230-polar.png (Smaller.)
• 20:44, 1 July 2013 Buster (talk | contribs) uploaded a new version of File:1230-polar.png (Add more curves in the same family.)
• 20:14, 1 July 2013 Buster (talk | contribs) uploaded File:1230-polar.png (Graph of r = \pi - 2 tan^{-1} (sin \theta). Looks a bit like the graph in Comic 1230.)
• 20:02, 1 July 2013 User account Buster (talk | contribs) was created