9 December 2016

• 23:1223:12, 9 December 2016 diff hist +23 AoPS Wiki:AoPS Community Awards →Perfect AIME Scores

7 February 2014

• 00:3600:36, 7 February 2014 diff hist +391 2014 AMC 10A Problems/Problem 10 →Solution

29 January 2014

• 01:3301:33, 29 January 2014 diff hist +83 2013 AMC 10B Problems/Problem 19 →Solution 3
• 01:3201:32, 29 January 2014 diff hist −86 2013 AMC 10B Problems/Problem 19 →Solution 3
• 01:3101:31, 29 January 2014 diff hist +14 2013 AMC 10B Problems/Problem 19 →Solution 3
• 01:2901:29, 29 January 2014 diff hist +578 2013 AMC 10B Problems/Problem 19 →Solution

8 February 2013

• 18:4318:43, 8 February 2013 diff hist −109 2013 AMC 10A Problems/Problem 20 →Solution
• 18:4218:42, 8 February 2013 diff hist −235 2013 AMC 10A Problems/Problem 20 →Solution
• 18:4218:42, 8 February 2013 diff hist −115 2013 AMC 10A Problems/Problem 20 →Solution
• 01:1601:16, 8 February 2013 diff hist +663 2013 AMC 10A Problems/Problem 7 →Solution 1