4 June 2021

• 00:1500:15, 4 June 2021 diff hist −954 1982 USAMO Problems/Problem 4 Removed Solution 1 (nonsense); revised the structure and presentation of Solution 2 (own) current

11 May 2017

• 21:2921:29, 11 May 2017 diff hist −2 m 1982 USAMO Problems/Problem 4 →Solution 2: Removed a random misplaced '2'

2 March 2017

• 22:0822:08, 2 March 2017 diff hist +12 Wilson's Theorem No edit summary

9 October 2016

• 14:1714:17, 9 October 2016 diff hist +199 m 2010 AMC 10B Problems/Problem 25 →Critique of Critique

22 September 2016

• 07:3807:38, 22 September 2016 diff hist +1 1982 USAMO Problems/Problem 4 →Solution 2

21 September 2016

• 22:0322:03, 21 September 2016 diff hist −7 m 1982 USAMO Problems/Problem 4 →Solution 2: just removes some random $ signs
• 22:0022:00, 21 September 2016 diff hist +1,865 1982 USAMO Problems/Problem 4 →Solution: Essentially chooses Fermat Numbers until We get to a composite one, 1+1/2+...+1/32+1/64+1/64=1, will write motivation soon

18 August 2016

• 15:3115:31, 18 August 2016 diff hist +1 m Nesbitt's Inequality →By Muirhead's and expansion: added apostrophe

30 January 2016

• 16:4316:43, 30 January 2016 diff hist −1 2010 AMC 12B Problems →Problem 6

3 December 2015

• 09:0209:02, 3 December 2015 diff hist −24 m 1969 Canadian MO Problems/Problem 6 →Solution 2
• 09:0109:01, 3 December 2015 diff hist 0 m 1969 Canadian MO Problems/Problem 6 →Solution 1
• 09:0009:00, 3 December 2015 diff hist +36 m 1969 Canadian MO Problems/Problem 6 →Solution 1
• 08:5908:59, 3 December 2015 diff hist +3 m 1969 Canadian MO Problems/Problem 6 →Solution 1
• 08:5708:57, 3 December 2015 diff hist +519 1969 Canadian MO Problems/Problem 6 →Solution

16 May 2015

• 13:4613:46, 16 May 2015 diff hist +23 m 2000 AMC 12 Problems/Problem 12 →Solution
• 13:4213:42, 16 May 2015 diff hist +32 m 2000 AMC 12 Problems/Problem 12 →Solution
• 13:4013:40, 16 May 2015 diff hist +16 m 2000 AMC 12 Problems/Problem 12 →Solution
• 13:3913:39, 16 May 2015 diff hist +277 2000 AMC 12 Problems/Problem 12 →Solution

9 May 2015

• 20:5020:50, 9 May 2015 diff hist +12 m 1951 AHSME Problems/Problem 15 →Solution
• 20:4920:49, 9 May 2015 diff hist +102 m 1951 AHSME Problems/Problem 15 →Solution
• 16:0516:05, 9 May 2015 diff hist +19 m 1950 AHSME Problems/Problem 48 →Solution
• 16:0316:03, 9 May 2015 diff hist −1 1950 AHSME Problems/Problem 48 →Solution
• 16:0316:03, 9 May 2015 diff hist +615 1950 AHSME Problems/Problem 48 →Solution
• 15:1615:16, 9 May 2015 diff hist −7 1950 AHSME Problems/Problem 44 →Problem current
• 15:1415:14, 9 May 2015 diff hist −21 1950 AHSME Problems/Problem 43 →Problem current
• 15:1315:13, 9 May 2015 diff hist −21 1950 AHSME Problems/Problem 39 →Problem current

4 February 2015

• 21:4721:47, 4 February 2015 diff hist +16 Pick's Theorem →Proof
• 21:4621:46, 4 February 2015 diff hist +10 m Pick's Theorem →Proof
• 21:4521:45, 4 February 2015 diff hist +1 m 2015 AMC 10A Problems/Problem 18 →Solution
• 21:4221:42, 4 February 2015 diff hist +207 m Pick's Theorem →Proof