User contributions
- 13:11, 30 October 2021 (diff | hist) . . (+246) . . 2020 AMC 8 Problems/Problem 22 (Added note at the bottom explaining connection to collatz conjecture.)
- 09:21, 31 August 2021 (diff | hist) . . (0) . . m North Suburban Mathematics League (Typo) (current)
- 09:21, 31 August 2021 (diff | hist) . . (+33) . . North Suburban Mathematics League (Updated info to match 2021-2022)
- 17:32, 25 August 2021 (diff | hist) . . (+45) . . Elementary symmetric sum (Fixed errors in a paragraph in “uses”)
- 00:23, 6 March 2021 (diff | hist) . . (+1) . . 2021 AMC 12B Problems/Problem 11 (→Solution 5 (Barycentric coordinates))
- 00:23, 6 March 2021 (diff | hist) . . (+13) . . 2021 AMC 12B Problems/Problem 11 (→Solution 5 (Barycentric coordinates))
- 21:39, 5 March 2021 (diff | hist) . . (+1,462) . . 2021 AMC 12B Problems/Problem 11
- 13:16, 26 February 2021 (diff | hist) . . (+504) . . 2000 AIME II Problems/Problem 10 (Added fancier version of solution 2 that involves less bashing, also fixed some typos.)
- 10:06, 16 February 2021 (diff | hist) . . (+13) . . 2000 AMC 12 Problems/Problem 12 (→Solution 2 (Nonrigorous))
- 10:06, 16 February 2021 (diff | hist) . . (+31) . . m 2000 AMC 12 Problems/Problem 12 (→Solution 2: Clarified that this solution isn't rigorous)
- 14:18, 11 February 2021 (diff | hist) . . (-4) . . m 2021 AMC 12B (Fixed tense since the test is no longer in the future lol)
- 12:05, 2 February 2021 (diff | hist) . . (+347) . . 2014 AMC 12B Problems/Problem 7 (→Solutions)
- 10:31, 2 February 2021 (diff | hist) . . (+930) . . 2014 AMC 10A Problems/Problem 20 (added formal proof to solution 1 for those who would like a more rigorous version of it.)
- 10:12, 2 February 2021 (diff | hist) . . (+1,318) . . 2014 AMC 12A Problems/Problem 15 (Added solution)
- 12:10, 27 January 2021 (diff | hist) . . (+1) . . 2014 AMC 10A Problems/Problem 6 (→Solution 6)
- 12:10, 27 January 2021 (diff | hist) . . (+438) . . 2014 AMC 10A Problems/Problem 6
- 11:16, 27 January 2021 (diff | hist) . . (+607) . . 2013 AMC 12A Problems/Problem 21 (→Solutions: added another solution)
- 09:58, 15 December 2020 (diff | hist) . . (+8) . . 2001 AMC 8 Problems/Problem 23 (→Solution 3 (Multiple-choice abuse))
- 09:58, 15 December 2020 (diff | hist) . . (+4) . . 2001 AMC 8 Problems/Problem 23 (→Solution 3 (Multiple-choice abuse))
- 09:58, 15 December 2020 (diff | hist) . . (+316) . . 2001 AMC 8 Problems/Problem 23 (Added another solution)
- 15:34, 3 December 2020 (diff | hist) . . (-1) . . m 2009 AMC 12A Problems/Problem 15 (→Solution 3 (Fast)) (current)
- 15:32, 3 December 2020 (diff | hist) . . (+812) . . 2009 AMC 12A Problems/Problem 15 (Added another solution)
- 14:18, 6 November 2020 (diff | hist) . . (+16) . . m 2020 AIME I Problems/Problem 12 (Clarified the meaning of part of the solution)
- 10:53, 5 November 2020 (diff | hist) . . (+38) . . 2003 AMC 12A Problems/Problem 23
- 10:49, 5 November 2020 (diff | hist) . . (+632) . . 2003 AMC 12A Problems/Problem 22 (Added solution)
- 12:24, 30 October 2020 (diff | hist) . . (-1) . . 2010 AMC 12B Problems/Problem 16 (→Solution 3 (Fancier version of Solution 1))
- 12:24, 30 October 2020 (diff | hist) . . (+24) . . 2010 AMC 12B Problems/Problem 16
- 12:23, 30 October 2020 (diff | hist) . . (+93) . . 2010 AMC 12B Problems/Problem 16 (→Solution 3 (Fancier version of Solution 1))
- 12:22, 30 October 2020 (diff | hist) . . (+512) . . 2010 AMC 12B Problems/Problem 16
- 18:26, 19 October 2020 (diff | hist) . . (+259) . . 2000 AMC 12 Problems/Problem 21 (Added another solution and removed unnecesary comments)
- 21:27, 16 October 2020 (diff | hist) . . (+48) . . 2001 IMO Shortlist Problems/N4 (→Solution (Elementary Group Theory)) (current)
- 21:23, 16 October 2020 (diff | hist) . . (+2,102) . . 2001 IMO Shortlist Problems/N4 (Added solution. My solution uses group theory, I suspect there is a very similar line of reasoning that can be written in the language of modular arithmetic, but I couldn't think of one.)
