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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).
- 09:10, 22 December 2022 Neerti (talk | contribs) uploaded a new version of File:Negative2ndDerivativeSigmoidCurve.gif (Reverted to version as of 18:04, 10 December 2013 (UTC))
- 06:17, 22 December 2022 CobsonTheGemson (talk | contribs) uploaded a new version of File:Negative2ndDerivativeSigmoidCurve.gif
- 18:08, 10 December 2013 TobyBartels (talk | contribs) automatically marked revision 54920 of page File:Negative2ndDerivativeSigmoidCurve.gif patrolled
- 18:04, 10 December 2013 TobyBartels (talk | contribs) uploaded File:Negative2ndDerivativeSigmoidCurve.gif (Plot of the second derivative of -tanh x from -2 to 1 by Wolfram Alpha)