8 March 2012
30 April 2011
- 02:0702:07, 30 April 2011 diff hist +450 Wikipedia:Reference desk/Mathematics →Policy Proposition
- 01:0601:06, 30 April 2011 diff hist +738 Wikipedia:Reference desk/Mathematics →Policy Proposition
- 00:3200:32, 30 April 2011 diff hist +64 Wikipedia:Reference desk/Mathematics →Combinatorial problem
29 April 2011
- 20:2220:22, 29 April 2011 diff hist +334 Wikipedia:Reference desk/Mathematics →Combinatorial problem: new section
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