23 November 2021

• 10:4610:46, 23 November 2021 diff hist +64 m Illinois mathematics competitions →Illinois middle school mathematics competitions: (hi, minor update to JHMC website links) ~2021 JHMC Contest Chair

17 October 2019

• 13:1013:10, 17 October 2019 diff hist +241 2001 AMC 12 Problems/Problem 21 Basically, the problem displayed on the page was the incorrect problem from the AMC, and the solution didn't make sense in context of the incorrect problem. I have edited to replace the incorrect problem with the correct problem.

8 February 2018

• 15:5215:52, 8 February 2018 diff hist +348 2018 AMC 10A Problems/Problem 7 added solution
• 15:4615:46, 8 February 2018 diff hist +14 2018 AMC 10A Problems/Problem 3 signed it
• 15:4415:44, 8 February 2018 diff hist +649 2018 AMC 10A Problems/Problem 20 Added solution -- please add a more rigorous one!
• 13:2813:28, 8 February 2018 diff hist +223 2018 AMC 10A Problems Added See Also
• 13:2413:24, 8 February 2018 diff hist +439 2018 AMC 10A Problems/Problem 3 Added the brute-force solution