19 February 2019

• curprev 20:1220:12, 19 February 2019 P groudon talk contribs 7,988 bytes +95 No edit summary

13 February 2014

• curprev 02:5402:54, 13 February 2014 Happiface talk contribs m 7,893 bytes −8 fixed lohtek
• curprev 02:5402:54, 13 February 2014 Happiface talk contribs m 7,901 bytes −8 Fixed LaTeX

4 July 2013

• curprev 19:3219:32, 4 July 2013 Nathan wailes talk contribs 7,909 bytes +15 No edit summary

2 January 2009

• curprev 17:2417:24, 2 January 2009 Azjps talk contribs m 7,894 bytes +1 No edit summary
• curprev 17:2317:23, 2 January 2009 Azjps talk contribs m 7,893 bytes +33 No edit summary

27 April 2008

• curprev 20:5620:56, 27 April 2008 I like pie talk contribs 7,860 bytes −26 →Problem 3: - eqnarray -> align

19 November 2007

• curprev 23:3423:34, 19 November 2007 Minsoens talk contribs 7,886 bytes +5,756 No edit summary

30 October 2007

• curprev 14:1414:14, 30 October 2007 1=2 talk contribs 2,130 bytes +353 →Problem 9

27 July 2007

• curprev 13:1913:19, 27 July 2007 Archimedes1 talk contribs 1,777 bytes +680 Problems 1 and 2

9 July 2006

• curprev 09:4609:46, 9 July 2006 Joml88 talk contribs 1,097 bytes +1,097 No edit summary