1 March 2018

• 10:1410:14, 1 March 2018 diff hist 0 AMC historical results →AMC 10B
• 10:1310:13, 1 March 2018 diff hist +2 AMC historical results →AMC 10A

5 January 2018

• 21:5021:50, 5 January 2018 diff hist +1 2011 AMC 12B Problems/Problem 18 →Solution
• 21:5021:50, 5 January 2018 diff hist +34 2011 AMC 12B Problems/Problem 18 →Solution

27 February 2017

• 15:4415:44, 27 February 2017 diff hist −8 AMC historical results →AMC 10B
• 15:4315:43, 27 February 2017 diff hist +8 AMC historical results →AMC 10B

12 October 2016

• 13:1613:16, 12 October 2016 diff hist +22 1985 AIME Problems/Problem 6 →Solution 2
• 13:1513:15, 12 October 2016 diff hist +221 1985 AIME Problems/Problem 6 →Solution 2
• 13:1413:14, 12 October 2016 diff hist +86 1985 AIME Problems/Problem 6 →Solution 2
• 13:1413:14, 12 October 2016 diff hist +71 1985 AIME Problems/Problem 6 →Solution

28 August 2016

• 16:4816:48, 28 August 2016 diff hist +22 1983 AIME Problems/Problem 14 →Solution 2

22 August 2016

• 08:4508:45, 22 August 2016 diff hist +2 2004 AMC 12A Problems/Problem 15 →Solution 1
• 08:4408:44, 22 August 2016 diff hist +250 2004 AMC 12A Problems/Problem 15 →Solution 1

1 February 2016

• 18:2318:23, 1 February 2016 diff hist −43 2015 AMC 10A Problems/Problem 14 →Problem (a.k.a. the Clockblock Problem)

18 January 2016

• 19:1719:17, 18 January 2016 diff hist −162 2014 AMC 10A Problems/Problem 7 →Solution

9 January 2016

• 16:0216:02, 9 January 2016 diff hist −6 m 2012 AMC 10B Problems/Problem 15 →Solution
• 16:0216:02, 9 January 2016 diff hist −6 m 2012 AMC 10B Problems/Problem 15 →Solution