17 October 2021

• 09:4709:47, 17 October 2021 diff hist +5 m 2017 AMC 12A Problems/Problem 23 →Solution 10 current

13 June 2020

• 11:1911:19, 13 June 2020 diff hist −27 m 2020 AMC 10A Problems/Problem 24 →Video Solution

26 December 2019

• 17:3317:33, 26 December 2019 diff hist −9 m 2014 AIME I Problems/Problem 6 →Solution 5
• 17:3217:32, 26 December 2019 diff hist +18 m 2014 AIME I Problems/Problem 6 →Solution 4
• 17:2817:28, 26 December 2019 diff hist 0 m 2014 AIME I Problems/Problem 6 →Solution 4
• 17:2717:27, 26 December 2019 diff hist +432 2014 AIME I Problems/Problem 6 →Solution 4

22 December 2019

• 19:0019:00, 22 December 2019 diff hist +6 m 2013 AMC 10A Problems/Problem 25 →Solution 2 (Working Backwards)
• 18:5718:57, 22 December 2019 diff hist +48 m 2013 AMC 10A Problems/Problem 25 →Solution 2 (Elimination)
• 17:2117:21, 22 December 2019 diff hist +2 m 2013 AMC 10A Problems/Problem 23 →Solution 2 Stewart's Theorem
• 17:2117:21, 22 December 2019 diff hist −20 m 2013 AMC 10A Problems/Problem 23 →Solution 2 (Stewart's Theorem)
• 15:2715:27, 22 December 2019 diff hist +35 m 2013 AMC 10A Problems/Problem 18 →Solution 2

15 December 2019

• 18:3718:37, 15 December 2019 diff hist −6 m 2007 AMC 10B Problems/Problem 25 →Solution 1
• 18:3518:35, 15 December 2019 diff hist +2 m 2007 AMC 10B Problems/Problem 25 →Solution 1

26 August 2019

• 12:1712:17, 26 August 2019 diff hist −43 m 2018 AMC 10B Problems/Problem 23 →Solution

15 August 2019

• 13:2913:29, 15 August 2019 diff hist −3 m 2018 AMC 10B Problems/Problem 7 →Solution 2 (More Algebraic Approach)

12 February 2019

• 15:4815:48, 12 February 2019 diff hist +3 m 2015 AMC 10A Problems/Problem 7 →Solution 5
• 15:4815:48, 12 February 2019 diff hist 0 m 2015 AMC 10A Problems/Problem 7 →Solution 4
• 15:4815:48, 12 February 2019 diff hist −1 m 2015 AMC 10A Problems/Problem 7 →Solution 4
• 15:4715:47, 12 February 2019 diff hist 0 m 2015 AMC 10A Problems/Problem 7 →Solution 3
• 15:4715:47, 12 February 2019 diff hist −93 m 2015 AMC 10A Problems/Problem 7 →Solution 2

9 February 2019

• 16:4316:43, 9 February 2019 diff hist +20 m 2016 AMC 10B Problems/Problem 17 →Solution 1
• 16:3116:31, 9 February 2019 diff hist −306 m 2016 AMC 10B Problems/Problem 17 →Solution 1

25 November 2018

• 19:0719:07, 25 November 2018 diff hist +10 m 2018 AMC 8 Problems/Problem 18 →Solution 2
• 19:0619:06, 25 November 2018 diff hist −9 m 2018 AMC 8 Problems/Problem 17 →Solution

24 November 2018

• 12:1812:18, 24 November 2018 diff hist −4 m 2018 AMC 8 Problems/Problem 20 →Solution
• 12:1712:17, 24 November 2018 diff hist −107 m 2018 AMC 8 Problems/Problem 20 →Solution
• 12:1412:14, 24 November 2018 diff hist −56 m 2018 AMC 8 Problems/Problem 20 →Solution
• 12:1312:13, 24 November 2018 diff hist −23 m 2018 AMC 8 Problems/Problem 20 →Solution
• 12:1312:13, 24 November 2018 diff hist −1 m 2018 AMC 8 Problems/Problem 20 →Solution
• 12:1112:11, 24 November 2018 diff hist +18 m 2018 AMC 8 Problems/Problem 18 →Solution
• 12:0812:08, 24 November 2018 diff hist 0 2018 AMC 8 Problems/Problem 16 →Solution
• 12:0712:07, 24 November 2018 diff hist +5 2018 AMC 8 Problems/Problem 16 →Solution
• 12:0712:07, 24 November 2018 diff hist +335 2018 AMC 8 Problems/Problem 16 →Solution
• 11:5611:56, 24 November 2018 diff hist +48 m 2018 AMC 8 Problems/Problem 8 →Solution
• 11:5111:51, 24 November 2018 diff hist +68 2018 AMC 8 Problems/Problem 3 →Solution

25 June 2018

• 17:5617:56, 25 June 2018 diff hist +4 2007 AMC 10A Problems/Problem 18 →Solution 3