4 June 2020

• 16:4416:44, 4 June 2020 diff hist +6 m 2018 AIME I Problems/Problem 14 →Solution 2
• 16:4416:44, 4 June 2020 diff hist −6 m 2018 AIME I Problems/Problem 14 →Solution 2
• 16:4216:42, 4 June 2020 diff hist +6 m 2018 AIME I Problems/Problem 14 →Solution 2

3 June 2020

• 18:3418:34, 3 June 2020 diff hist +2 m 2020 AIME I Problems/Problem 7 →Solution 1
• 18:3418:34, 3 June 2020 diff hist −2 m 2020 AIME I Problems/Problem 7 →Solution 1
• 18:2118:21, 3 June 2020 diff hist +2 m 2020 AIME I Problems/Problem 7 →Solution 1

8 February 2020

• 12:2612:26, 8 February 2020 diff hist +1 m 2012 AIME I Problems/Problem 8 →Alternative Solution : think inside the box with formula

21 January 2020

• 20:2020:20, 21 January 2020 diff hist +96 m 2018 AMC 12A Problems/Problem 9 No edit summary

18 January 2020

• 15:1015:10, 18 January 2020 diff hist +2 m 2017 AMC 12A Problems/Problem 25 →Solution

14 January 2020

• 23:1423:14, 14 January 2020 diff hist +19 m 2016 AMC 12A Problems/Problem 23 →Solution 5: More Calculus

23 November 2019

• 14:3814:38, 23 November 2019 diff hist +1 m 2011 AMC 12B Problems/Problem 20 →Solution 1 (Coordinates)

16 November 2019

• 10:5610:56, 16 November 2019 diff hist −1 m 2011 AMC 12A Problems/Problem 12 →Solution 1
• 10:5510:55, 16 November 2019 diff hist +120 2011 AMC 12A Problems/Problem 12 →Solution 1

11 February 2019

• 22:2722:27, 11 February 2019 diff hist +16 2018 USAJMO Problems/Problem 1 →Solution 1
• 22:1322:13, 11 February 2019 diff hist −3 m 2019 AMC 10A Problems/Problem 25 →Solution

3 February 2019

• 14:1014:10, 3 February 2019 diff hist +773 2018 AMC 10B Problems/Problem 24 No edit summary
• 10:5310:53, 3 February 2019 diff hist +8 2016 AMC 12B Problems/Problem 21 →Solution

13 January 2019

• 14:0214:02, 13 January 2019 diff hist +1,230 2017 AMC 10B Problems/Problem 24 No edit summary
• 13:3013:30, 13 January 2019 diff hist −12 m 2017 AMC 10A Problems/Problem 25 →Solution 1
• 13:2913:29, 13 January 2019 diff hist +12 m 2017 AMC 10A Problems/Problem 25 →Solution 1
• 13:2913:29, 13 January 2019 diff hist −12 m 2017 AMC 10A Problems/Problem 25 →Solution 1
• 13:2813:28, 13 January 2019 diff hist −17 2017 AMC 10A Problems/Problem 25 →Solution 1

10 January 2019

• 23:0423:04, 10 January 2019 diff hist −133 2018 AMC 10B Problems/Problem 1 No edit summary

23 December 2018

• 22:0522:05, 23 December 2018 diff hist +2 m 2017 AMC 12B Problems/Problem 23 →Solution

15 February 2017

• 20:3320:33, 15 February 2017 diff hist +1 m 2017 AMC 10A Problems/Problem 15 →Problem