13 April 2017

• 17:1917:19, 13 April 2017 diff hist +4 AMC historical results →AIME I

20 February 2017

• 17:4917:49, 20 February 2017 diff hist +4 AMC historical results →AIME II
• 17:4917:49, 20 February 2017 diff hist +4 AMC historical results →AIME I

18 January 2017

• 12:0012:00, 18 January 2017 diff hist −429 2010 AMC 12A Problems/Problem 9 →Solution 4

17 October 2016

• 14:2014:20, 17 October 2016 diff hist +41 2003 AMC 12B Problems/Problem 13 →Solution current

6 October 2016

• 18:0918:09, 6 October 2016 diff hist −90 1995 AIME Problems/Problem 2 →Solution 2: Edited for clarity.

1 September 2016

• 10:4810:48, 1 September 2016 diff hist −40 m 2000 AMC 12 Problems/Problem 16 →Solution