18 July 2017

• 14:1714:17, 18 July 2017 diff hist +553 KGS math club added "Parade" puzzle current

4 December 2016

• 11:2211:22, 4 December 2016 diff hist +389 KGS math club added police car puzzle

22 August 2016

• 03:3803:38, 22 August 2016 diff hist +86 N KGS math club/solution coins gave solution current
• 03:3603:36, 22 August 2016 diff hist +50 KGS math club added link to solution to coins puzzle

7 May 2016

• 15:5315:53, 7 May 2016 diff hist −12 KGS math club/solution repunit No edit summary current
• 15:5015:50, 7 May 2016 diff hist +343 N KGS math club/solution repunit Created page with "Let x be an integer ending in 7, then 9x is a multiple of 9 which has no common factor with 10, so 10^k = 1 (mod 9x) for k = <a href="https://en.wikipedia.org/wiki/Euler%27s_t..."
• 15:4815:48, 7 May 2016 diff hist +312 KGS math club No edit summary

5 May 2016

• 05:5205:52, 5 May 2016 diff hist +1 KGS math club No edit summary
• 05:4905:49, 5 May 2016 diff hist +8 KGS math club No edit summary
• 05:4605:46, 5 May 2016 diff hist +836 KGS math club No edit summary

21 September 2014

• 03:5503:55, 21 September 2014 diff hist +226 KGS math club added dissection puzzle

10 September 2014

• 06:0306:03, 10 September 2014 diff hist +381 KGS math club No edit summary

13 June 2014

• 14:5914:59, 13 June 2014 diff hist +392 KGS math club added rubber bands puzzle

30 May 2014

• 17:4617:46, 30 May 2014 diff hist +985 KGS math club added puzzle about pairing integers to sum to squares

8 October 2013

• 14:5114:51, 8 October 2013 diff hist +329 KGS math club added Brownian motion puzzle

3 October 2013

• 09:3509:35, 3 October 2013 diff hist +555 N KGS math club/solution 11 25 Created page with "This was a poor puzzle. The calculation was tedious and uninteresting. Also, I omitted to specify how the eight other tickets were distributed among what number of other player..." current
• 09:3409:34, 3 October 2013 diff hist 0 KGS math club No edit summary
• 09:3409:34, 3 October 2013 diff hist +51 KGS math club No edit summary

22 September 2013

• 05:2405:24, 22 September 2013 diff hist +580 KGS math club added 100 prisoners puzzle

22 July 2013

• 14:4614:46, 22 July 2013 diff hist +1 m KGS math club No edit summary
• 14:4514:45, 22 July 2013 diff hist +1 m KGS math club No edit summary
• 12:4212:42, 22 July 2013 diff hist +546 KGS math club added lottery puzzle

4 June 2013

• 12:5712:57, 4 June 2013 diff hist +353 N KGS math club/solution 11 24 Created page with "This is one possible solution. File:Leira_disk.png There are infinitely many solutions, falling into two classes. One class contains one solution, with 8n+4 pieces, for e..." current
• 12:5112:51, 4 June 2013 diff hist +74 N File:Leira disk.png Dissection of disk into 12 congruent regions, only six touching its centre current
• 12:4612:46, 4 June 2013 diff hist 0 KGS math club No edit summary
• 12:4612:46, 4 June 2013 diff hist −1 KGS math club No edit summary
• 12:4512:45, 4 June 2013 diff hist +858 KGS math club No edit summary
• 12:4312:43, 4 June 2013 diff hist +8,918 KGS math club Restored older content, accidentally deleted earlier

30 May 2013

• 16:4916:49, 30 May 2013 diff hist −329 KGS math club No edit summary

16 April 2013

• 13:0013:00, 16 April 2013 diff hist +425 N KGS math club/solution 11 22 Created page with "The first question has been solved (you can find various papers on the net, i.e. http://2012.cccg.ca/papers/paper13.pdf), so response is YES and constitute Inaba's theorem. The..." current
• 12:5912:59, 16 April 2013 diff hist +301 KGS math club No edit summary

9 October 2012

• 07:3407:34, 9 October 2012 diff hist +524 KGS math club added buckets puzzle

8 October 2012

• 15:0815:08, 8 October 2012 diff hist −8,549 KGS math club added frogs puzzle

10 September 2012

• 11:5911:59, 10 September 2012 diff hist −1 KGS math club/solution 10 2 No edit summary current
• 11:5811:58, 10 September 2012 diff hist −2 KGS math club No edit summary

3 July 2012

• 04:0304:03, 3 July 2012 diff hist +143 KGS math club/solution 11 19 No edit summary current

2 July 2012

• 17:0417:04, 2 July 2012 diff hist +248 KGS math club No edit summary
• 16:5916:59, 2 July 2012 diff hist +90 KGS math club/solution 11 19 No edit summary
• 16:5416:54, 2 July 2012 diff hist +45 N KGS math club/solution 11 19 Created page with "{{2}, {2,3}, {2,3,4}, {4}}   giving 1152"
• 16:5216:52, 2 July 2012 diff hist +56 KGS math club No edit summary
• 15:4615:46, 2 July 2012 diff hist +339 KGS math club No edit summary
• 15:4215:42, 2 July 2012 diff hist +650 KGS math club No edit summary

8 April 2012

• 05:4105:41, 8 April 2012 diff hist +630 N KGS math club/solution 11 15 Created page with "D239500800 (06/04/12 17:21): One may take N=6 and G = H = S_6. S_6 can act transitively on 6 points the usual way, or by acting by conjugation on the 6 transitive subgroups of S..." current
• 05:3805:38, 8 April 2012 diff hist +57 KGS math club No edit summary

13 March 2012

• 17:2017:20, 13 March 2012 diff hist −8 m KGS math club/solution 11 17 tidied current
• 17:1817:18, 13 March 2012 diff hist +512 N KGS math club/solution 11 17 created page
• 17:1517:15, 13 March 2012 diff hist +56 KGS math club added link to solution of 31/6 puzzle

4 March 2012

• 19:1819:18, 4 March 2012 diff hist +289 KGS math club added 31/6 puzzle
• 18:5718:57, 4 March 2012 diff hist +1,180 N KGS math club/solution 11 14 created page current
• 18:5518:55, 4 March 2012 diff hist +56 KGS math club No edit summary