30 June 2020

• 14:4114:41, 30 June 2020 diff hist −14 m 2019 AMC 8 Problems/Problem 16 →Solution 1

23 June 2020

• 10:2410:24, 23 June 2020 diff hist −1 m 2016 AMC 8 Problems →Problem 1

20 June 2020

• 12:5912:59, 20 June 2020 diff hist −675 m 2019 AMC 8 Problems/Problem 24 →Solution 9
• 11:1611:16, 20 June 2020 diff hist +40 m 2020 AMC 10B Problems/Problem 15 →Video Solution
• 11:1511:15, 20 June 2020 diff hist −10 m 2020 AMC 10B Problems/Problem 15 →Solution 1
• 09:5809:58, 20 June 2020 diff hist +65 m 2020 AMC 10B Problems/Problem 12 →Solution 4 (Smarter Brute Force)

19 June 2020

• 15:4615:46, 19 June 2020 diff hist −2 m 2020 AMC 10B Problems →Problem 10
• 15:4115:41, 19 June 2020 diff hist +19 m 2020 AMC 10B Problems →Problem 11
• 15:3915:39, 19 June 2020 diff hist +4 m 2020 AMC 10B Problems →Problem 9

17 June 2020

• 20:3320:33, 17 June 2020 diff hist −4 2015 AMC 8 Problems →Problem 12
• 20:3220:32, 17 June 2020 diff hist +4 2015 AMC 8 Problems →Problem 12

12 November 2019

• 22:5022:50, 12 November 2019 diff hist +3 2008 AMC 10A Problems →Problem 11
• 22:4922:49, 12 November 2019 diff hist −3 2008 AMC 10A Problems →Problem 11

11 October 2019

• 14:3714:37, 11 October 2019 diff hist +8 1985 AJHSME Problems →Problem 9
• 14:3614:36, 11 October 2019 diff hist −8 1985 AJHSME Problems →Problem 9
• 14:3614:36, 11 October 2019 diff hist −4 1985 AJHSME Problems →Problem 9 ads
• 14:3614:36, 11 October 2019 diff hist +4 1985 AJHSME Problems →Problem 9