19 March 2019

• 01:0201:02, 19 March 2019 diff hist +1,036 2017 USAJMO Problems/Problem 4 →Solution

7 March 2018

• 01:1701:17, 7 March 2018 diff hist 0 2012 USAMO Problems/Problem 1 →Solution 2
• 01:1601:16, 7 March 2018 diff hist 0 2012 USAMO Problems/Problem 1 →Solution 2

13 February 2018

• 14:2114:21, 13 February 2018 diff hist +20 1991 AHSME Problems →Problem 30
• 14:1814:18, 13 February 2018 diff hist +2 1991 AHSME Problems/Problem 30 →Solution
• 14:1714:17, 13 February 2018 diff hist +13 1991 AHSME Problems/Problem 30 →Solution
• 14:1714:17, 13 February 2018 diff hist +13 1991 AHSME Problems/Problem 30 →Solution
• 14:1614:16, 13 February 2018 diff hist −20 1991 AHSME Problems/Problem 30 →Problem
• 14:1614:16, 13 February 2018 diff hist +28 1991 AHSME Problems/Problem 30 →Problem
• 14:1514:15, 13 February 2018 diff hist +13 1991 AHSME Problems/Problem 30 →Problem
• 14:1514:15, 13 February 2018 diff hist +490 1991 AHSME Problems/Problem 30 →Solution

8 February 2018

• 15:3815:38, 8 February 2018 diff hist −15 2018 AMC 10A Problems/Problem 12 No edit summary

7 August 2017

• 22:0622:06, 7 August 2017 diff hist −2 m Algebraic manipulation No edit summary
• 22:0622:06, 7 August 2017 diff hist −6 m Algebraic manipulation No edit summary

6 August 2017

• 02:0902:09, 6 August 2017 diff hist 0 m 2014 AIME I Problems/Problem 15 →Solution 3
• 02:0902:09, 6 August 2017 diff hist 0 m 2014 AIME I Problems/Problem 15 →Solution 3

2 August 2017

• 23:4623:46, 2 August 2017 diff hist +16 m 2012 AIME II Problems/Problem 15 →Solution 1