19 August 2019

• 22:3822:38, 19 August 2019 diff hist +51 2013 AIME I Problems/Problem 7 →Solution 4: added link
• 22:3522:35, 19 August 2019 diff hist +1 2013 AIME I Problems/Problem 7 →Solution 4: fixed typo

24 March 2018

• 14:2814:28, 24 March 2018 diff hist −33 m 1987 AIME Problems/Problem 14 →Solution

23 March 2018

• 14:0014:00, 23 March 2018 diff hist +222 m 1987 AIME Problems/Problem 12 →Solution 2
• 13:5213:52, 23 March 2018 diff hist +668 1987 AIME Problems/Problem 12 →Solution

16 June 2016

• 18:3918:39, 16 June 2016 diff hist +2 m 2013 AMC 8 Problems →Problem 1