23 November 2017

• 20:1820:18, 23 November 2017 diff hist 0 2002 AIME I Problems/Problem 5 →Solution
• 02:5702:57, 23 November 2017 diff hist +1 1997 AIME Problems/Problem 8 →Solution 1

14 February 2017

• 03:4903:49, 14 February 2017 diff hist +256 2011 AMC 10B Problems/Problem 21 →Solution 3

31 January 2017

• 02:5802:58, 31 January 2017 diff hist +1 2009 AMC 10A Problems/Problem 19 No edit summary

16 January 2017

• 19:0619:06, 16 January 2017 diff hist +155 2016 AMC 10B Problems/Problem 18 No edit summary

8 January 2017

• 02:3302:33, 8 January 2017 diff hist +1,106 2016 AMC 10B Problems/Problem 18 →Solution