1 November 2020

• 09:3409:34, 1 November 2020 diff hist +16 2017 AIME I Problems/Problem 9 →Solution 7 (Bash Bash Bash)
• 09:3309:33, 1 November 2020 diff hist +15 2017 AIME I Problems/Problem 9 →Solution 7 (Bash Bash Bash)

31 October 2020

• 08:3808:38, 31 October 2020 diff hist 0 2017 AIME I Problems/Problem 7 →Solution 5
• 08:3808:38, 31 October 2020 diff hist 0 2017 AIME I Problems/Problem 7 →Solution 5

21 October 2020

• 08:1808:18, 21 October 2020 diff hist 0 2014 AIME I Problems/Problem 9 →Solution 5

14 October 2020

• 07:0607:06, 14 October 2020 diff hist +8 1998 AIME Problems/Problem 15 →Solution

13 October 2020

• 05:2805:28, 13 October 2020 diff hist −110 2012 AIME I Problems/Problem 11 →Solution

11 October 2020

• 07:5207:52, 11 October 2020 diff hist −12 2011 AIME II Problems/Problem 9 →Problem 9
• 07:5207:52, 11 October 2020 diff hist −39 2011 AIME II Problems/Problem 9 →Solution
• 07:4307:43, 11 October 2020 diff hist −12 2011 AIME II Problems →Problem 9 current

5 October 2020

• 10:0310:03, 5 October 2020 diff hist +14 2004 AIME II Problems/Problem 14 →Solution 2
• 09:5709:57, 5 October 2020 diff hist +14 2006 AIME II Problems/Problem 15 →Solution 2 (Algebraic)

1 October 2020

• 22:5322:53, 1 October 2020 diff hist +4 2007 AIME II Problems/Problem 13 →Problem

28 September 2020

• 22:2222:22, 28 September 2020 diff hist −30 2007 AIME I Problems →Problem 13
• 22:2222:22, 28 September 2020 diff hist −29 2007 AIME I Problems →Problem 9

27 September 2020

• 22:2322:23, 27 September 2020 diff hist +1 2006 AIME II Problems/Problem 8 →Solution 2 (Easy burnsides)
• 22:2322:23, 27 September 2020 diff hist +4 2006 AIME II Problems/Problem 8 →Solution 2 (Easy burnsides)

25 September 2020

• 00:4400:44, 25 September 2020 diff hist +36 2006 AIME II Problems/Problem 15 →Solution 1 (Geometric Interpretation)
• 00:4300:43, 25 September 2020 diff hist −9 1991 AIME Problems/Problem 15 →Solution
• 00:3600:36, 25 September 2020 diff hist +52 2006 AIME II Problems/Problem 15 →Solution 1 (Geometric Interpretation)
• 00:2400:24, 25 September 2020 diff hist +1,256 2006 AIME II Problems/Problem 15 →Solution 2 (Algebraic)
• 00:0900:09, 25 September 2020 diff hist +58 2006 AIME II Problems/Problem 15 →Solution

24 September 2020

• 20:4220:42, 24 September 2020 diff hist +42 2006 AIME II Problems/Problem 5 →Solution 2

23 September 2020

• 02:1002:10, 23 September 2020 diff hist −4 2005 AIME II Problems/Problem 10 →Solution 1
• 02:1002:10, 23 September 2020 diff hist +8 2005 AIME II Problems/Problem 10 →Solution 1

21 September 2020

• 23:2023:20, 21 September 2020 diff hist 0 2005 AIME I Problems/Problem 4 →Solution 5
• 12:0212:02, 21 September 2020 diff hist +2,285 2004 AIME II Problems/Problem 14 →Solution 2
• 11:5111:51, 21 September 2020 diff hist +18 2004 AIME II Problems/Problem 14 →Solution

13 September 2020

• 06:2806:28, 13 September 2020 diff hist −17 2002 AIME II Problems/Problem 4 →Solution 2 current
• 06:2806:28, 13 September 2020 diff hist +295 2002 AIME II Problems/Problem 4 →Solution

5 September 2020

• 23:2223:22, 5 September 2020 diff hist 0 1988 AIME Problems/Problem 11 →Solution 1 current
• 22:3022:30, 5 September 2020 diff hist +3 1999 AIME Problems/Problem 14 →Solution 4

23 August 2020

• 10:5810:58, 23 August 2020 diff hist +80 1993 AIME Problems/Problem 15 →Solution
• 10:3110:31, 23 August 2020 diff hist +121 1993 AIME Problems/Problem 12 →Solution 2
• 10:2510:25, 23 August 2020 diff hist −47 1993 AIME Problems/Problem 11 →Solution 2 (Kind of Bashy but very nice)

19 August 2020

• 06:2906:29, 19 August 2020 diff hist −37 1993 AIME Problems/Problem 14 →Solution
• 06:0306:03, 19 August 2020 diff hist +104 1993 AIME Problems/Problem 12 →Solution 1
• 06:0206:02, 19 August 2020 diff hist +83 1993 AIME Problems/Problem 12 →Solution 1
• 05:5805:58, 19 August 2020 diff hist −1 1993 AIME Problems/Problem 11 →Solution 2 (Kind of Bashy but very noice)

18 August 2020

• 05:3905:39, 18 August 2020 diff hist +115 1995 AIME Problems/Problem 5 →Solution 2

12 August 2020

• 01:2901:29, 12 August 2020 diff hist −872 2004 AMC 8 Problems/Problem 17 →Solution 3
• 01:2201:22, 12 August 2020 diff hist −65 2004 AMC 8 Problems/Problem 17 →Solution 2

8 August 2020

• 05:0905:09, 8 August 2020 diff hist +59 1994 AIME Problems/Problem 2 →Problem

29 July 2020

• 07:3907:39, 29 July 2020 diff hist +37 1987 AIME Problems/Problem 3 →Solution

17 July 2020

• 22:0822:08, 17 July 2020 diff hist +1 2019 IMO Problems/Problem 4 →Solution 1

25 May 2020

• 01:3401:34, 25 May 2020 diff hist +149 Euler's totient function →Identities

21 May 2020

• 21:3621:36, 21 May 2020 diff hist −85 m 1989 AIME Problems/Problem 6 →Solution 2

22 March 2020

• 05:3805:38, 22 March 2020 diff hist +24 1959 IMO Problems/Problem 2 →Solution
• 05:3505:35, 22 March 2020 diff hist +2 1959 IMO Problems/Problem 2 →Solution

20 February 2020

• 12:4812:48, 20 February 2020 diff hist −16 2020 AMC 10B Problems/Problem 12 →Solution 5 (Logarithms)