17 June 2023

• 17:3117:31, 17 June 2023 diff hist −22 m 2007 AMC 12B Problems/Problem 7 →Solution

30 November 2020

• 11:4611:46, 30 November 2020 diff hist −1 2020 AMC 8 Problems/Problem 24 →Video Solutions

18 December 2019

• 00:0100:01, 18 December 2019 diff hist 0 m 2003 AMC 10A Problems/Problem 22 →Solution 5
• 00:0000:00, 18 December 2019 diff hist 0 m 2003 AMC 10A Problems/Problem 22 →Solution 4
• 00:0000:00, 18 December 2019 diff hist 0 m 2003 AMC 10A Problems/Problem 22 →solution 4
• 00:0000:00, 18 December 2019 diff hist +5 2003 AMC 10A Problems/Problem 22 →Lemma

12 December 2019

• 19:4519:45, 12 December 2019 diff hist +2 2003 AMC 8 Problems/Problem 20 →Solution
• 19:4419:44, 12 December 2019 diff hist +4 2003 AMC 8 Problems/Problem 20 →Solution