26 August 2012

• 17:2917:29, 26 August 2012 diff hist −319 2008 USAMO Problems/Problem 2 →Solution 9 (analytical)

14 August 2012

• 07:5707:57, 14 August 2012 diff hist −14 2002 AMC 8 Problems/Problem 14 →Solution #1
• 07:5607:56, 14 August 2012 diff hist +15 2002 AMC 8 Problems/Problem 14 →Solution #1
• 07:5607:56, 14 August 2012 diff hist +2 2002 AMC 8 Problems/Problem 14 →Solution #1
• 07:5507:55, 14 August 2012 diff hist 0 2002 AMC 8 Problems/Problem 14 →Solution #1
• 07:5507:55, 14 August 2012 diff hist 0 2002 AMC 8 Problems/Problem 14 →Solution #1

7 August 2012

• 17:2317:23, 7 August 2012 diff hist −20 1983 AIME Problems/Problem 4 →Solution 2: Synthetic Solution

4 August 2012

• 16:3916:39, 4 August 2012 diff hist +6 Cyclic sum →Rigorous definition

3 August 2012

• 18:3518:35, 3 August 2012 diff hist +2 2012 AIME I Problems/Problem 14 →Solution
• 18:3518:35, 3 August 2012 diff hist −4 2012 AIME I Problems/Problem 14 →Solution

1 August 2012

• 17:4517:45, 1 August 2012 diff hist 0 1989 USAMO Problems/Problem 5 →Solution

21 July 2012

• 12:2212:22, 21 July 2012 diff hist 0 1987 IMO Problems/Problem 1 →Solution 2
• 12:2212:22, 21 July 2012 diff hist −24 1987 IMO Problems/Problem 1 →Solution 2
• 12:2212:22, 21 July 2012 diff hist −1 1987 IMO Problems/Problem 1 →Solution 2
• 12:2212:22, 21 July 2012 diff hist +11 1987 IMO Problems/Problem 1 →Solution 2
• 12:2112:21, 21 July 2012 diff hist +428 1987 IMO Problems/Problem 1 No edit summary
• 12:1612:16, 21 July 2012 diff hist +2 1987 IMO Problems/Problem 1 No edit summary
• 12:1212:12, 21 July 2012 diff hist −36 Expected value →Olympiad
• 12:1212:12, 21 July 2012 diff hist +40 Expected value →Olympiad
• 12:1112:11, 21 July 2012 diff hist +1 Expected value →Olympiad
• 12:1112:11, 21 July 2012 diff hist +209 Expected value →Olympiad

11 July 2012

• 18:4018:40, 11 July 2012 diff hist −2 2001 IMO Problems/Problem 1 →Solution
• 18:3918:39, 11 July 2012 diff hist +410 2001 IMO Problems/Problem 1 →Solution

1 July 2012

• 14:3614:36, 1 July 2012 diff hist 0 1994 IMO Problems/Problem 3 →Solution 2

1 April 2012

• 08:5708:57, 1 April 2012 diff hist +1,261 2012 AIME I Problems/Problem 14 →Solution 1
• 08:5708:57, 1 April 2012 diff hist +12 2012 AIME I Problems/Problem 14 →Solution 2
• 08:5608:56, 1 April 2012 diff hist −1,271 2012 AIME I Problems/Problem 14 →Solution 1

25 March 2012

• 11:5811:58, 25 March 2012 diff hist −35 2012 AIME I Problems/Problem 14 →Solution
• 11:5711:57, 25 March 2012 diff hist −2 2012 AIME I Problems/Problem 14 →Solution 2
• 11:5711:57, 25 March 2012 diff hist −1,287 2012 AIME I Problems/Problem 14 →Solution
• 11:5711:57, 25 March 2012 diff hist −1 2012 AIME I Problems/Problem 14 →Solution

23 March 2012

• 06:5806:58, 23 March 2012 diff hist +1,314 2012 AIME I Problems/Problem 14 →Solution