14 October 2022

• 09:1309:13, 14 October 2022 diff hist +115 2010 AMC 12A Problems/Problem 17 →Solution 2

11 June 2021

• 10:1810:18, 11 June 2021 diff hist +108 Mock AIME No edit summary
• 10:1710:17, 11 June 2021 diff hist 0 Mock AIME No edit summary
• 10:1710:17, 11 June 2021 diff hist +104 Mock AIME No edit summary

2 January 2021

• 17:0617:06, 2 January 2021 diff hist +243 2005 AMC 10A Problems/Problem 18 →Solution

2 June 2020

• 14:0314:03, 2 June 2020 diff hist +1 m 2020 AIME I Problems/Problem 13 →Solution 5 (geometry+trig)
• 14:0114:01, 2 June 2020 diff hist +6 2020 AIME I Problems/Problem 13 →Solution 5 (geometry+trig)

22 November 2018

• 16:0516:05, 22 November 2018 diff hist +6 m 2016 AIME I Problems/Problem 1 →Solution 1

24 September 2018

• 19:5319:53, 24 September 2018 diff hist +9 m 2013 AMC 12A Problems/Problem 22 →Solution 1

5 September 2018

• 20:0920:09, 5 September 2018 diff hist +1 m 2016 AMC 12B Problems/Problem 19 →Solution 2

22 July 2018

• 14:5114:51, 22 July 2018 diff hist +24 m 2013 AIME I Problems/Problem 6 →Permutation Solution

10 June 2018

• 19:2319:23, 10 June 2018 diff hist −2 m 2010 AMC 12A Problems/Problem 18 →Solution

25 February 2018

• 20:1120:11, 25 February 2018 diff hist +310 2018 AMC 10B Problems/Problem 21 →Solution 1

19 February 2018

• 15:0315:03, 19 February 2018 diff hist +2 m 2018 AMC 10A Problems/Problem 20 →Solution

13 January 2018

• 15:3415:34, 13 January 2018 diff hist +19 m 2008 AMC 10B Problems/Problem 14 →Solution 1

15 July 2017

• 18:5118:51, 15 July 2017 diff hist +1 2012 AMC 12A Problems →Problem 15

1 July 2017

• 16:4516:45, 1 July 2017 diff hist +4 2010 AMC 8 Problems →Problem 7
• 16:4516:45, 1 July 2017 diff hist −18 2010 AMC 8 Problems →Problem 7

28 May 2017

• 16:1016:10, 28 May 2017 diff hist +57 2017 AMC 10A Problems/Problem 25 →Solution 3 (Shorter and Not Casework)