31 January 2020

• 21:5921:59, 31 January 2020 diff hist 0 2020 AMC 10A Problems/Problem 11 →Solution

5 August 2019

• 20:4220:42, 5 August 2019 diff hist −3 1977 AHSME Problems/Problem 28 →Solution 2
• 20:4220:42, 5 August 2019 diff hist +671 1977 AHSME Problems/Problem 28 No edit summary

22 August 2018

• 02:4602:46, 22 August 2018 diff hist +341 2008 AMC 10B Problems/Problem 17 →Solution

14 February 2018

• 23:3223:32, 14 February 2018 diff hist +562 1987 AHSME Problems/Problem 14 →Problem
• 21:3021:30, 14 February 2018 diff hist +558 1987 AHSME Problems/Problem 22 →Problem

6 February 2018

• 22:2922:29, 6 February 2018 diff hist 0 1979 AHSME Problems/Problem 2 →Solution 2 current
• 22:2922:29, 6 February 2018 diff hist +238 1979 AHSME Problems/Problem 2 →Solution

24 December 2017

• 20:5520:55, 24 December 2017 diff hist +730 2011 AMC 10B Problems/Problem 17 →Solution

22 November 2017

• 19:5619:56, 22 November 2017 diff hist +349 2017 AMC 8 Problems/Problem 16 →Solution 3

14 November 2017

• 18:3618:36, 14 November 2017 diff hist +284 2016 AMC 8 Problems/Problem 21 →Solution 1

9 October 2017

• 17:5717:57, 9 October 2017 diff hist −2 2008 AMC 10A Problems/Problem 18 →Solution 5
• 17:5717:57, 9 October 2017 diff hist −13 2008 AMC 10A Problems/Problem 18 →Solution 5
• 17:5617:56, 9 October 2017 diff hist +12 2008 AMC 10A Problems/Problem 18 →Solution 5
• 17:5617:56, 9 October 2017 diff hist −11 2008 AMC 10A Problems/Problem 18 →Solution 5

23 August 2017

• 00:4500:45, 23 August 2017 diff hist 0 2006 AMC 12A Problems/Problem 25 →Solution 2
• 00:4500:45, 23 August 2017 diff hist +973 2006 AMC 12A Problems/Problem 25 →Solution 1

20 August 2017

• 03:0803:08, 20 August 2017 diff hist +411 2017 AMC 10B Problems/Problem 15 →Solution

19 August 2017

• 15:0215:02, 19 August 2017 diff hist +267 2008 AMC 12B Problems/Problem 1 →Solution current

16 August 2017

• 18:5218:52, 16 August 2017 diff hist −1,002 Multinomial Theorem →Using induction and the Binomial Theorem

15 August 2017

• 23:2323:23, 15 August 2017 diff hist +916 Multinomial Theorem →Using induction and the Binomial Theorem

19 June 2017

• 03:4403:44, 19 June 2017 diff hist +548 2007 AMC 10A Problems/Problem 23 →Solution
• 02:4802:48, 19 June 2017 diff hist −59 2007 AMC 10A Problems/Problem 3 →Solution current
• 02:4802:48, 19 June 2017 diff hist +59 2007 AMC 10A Problems/Problem 3 →Solution

17 June 2017

• 19:2119:21, 17 June 2017 diff hist +2 2002 AMC 8 Problems/Problem 21 →Solution
• 19:0119:01, 17 June 2017 diff hist +180 2008 AMC 8 Problems/Problem 19 →Solution

16 June 2017

• 19:2919:29, 16 June 2017 diff hist +1,038 2006 AMC 12B Problems/Problem 13 →Solution

22 May 2017

• 21:5121:51, 22 May 2017 diff hist 0 m 2001 AMC 12 Problems/Problem 12 →Solution 2
• 17:4317:43, 22 May 2017 diff hist +1,794 2001 AMC 12 Problems/Problem 12 →Solution

10 May 2017

• 19:2119:21, 10 May 2017 diff hist +200 2003 AMC 12B Problems/Problem 10 →Solution

23 March 2017

• 18:1518:15, 23 March 2017 diff hist +320 2002 AMC 12B Problems/Problem 6 →Solution

20 February 2017

• 15:1615:16, 20 February 2017 diff hist +910 2017 AMC 10B Problems/Problem 22 →Solution

12 February 2017

• 18:1418:14, 12 February 2017 diff hist +709 2005 AMC 10B Problems/Problem 14 →Solution

8 February 2017

• 19:0819:08, 8 February 2017 diff hist −99 m 2017 AMC 10A Problems/Problem 9 →Problem

7 February 2017

• 00:4500:45, 7 February 2017 diff hist +206 2008 AMC 10A Problems/Problem 18 →Solution 5
• 00:3700:37, 7 February 2017 diff hist +599 2008 AMC 10A Problems/Problem 18 →Solution