30 April 2023

• curprev 16:4616:46, 30 April 2023 Maxamc talk contribs 1,241 bytes +292 →Solution

11 February 2023

• curprev 07:0607:06, 11 February 2023 Savannahsolver talk contribs 949 bytes +77 No edit summary

4 November 2022

• curprev 07:3707:37, 4 November 2022 Pi is 3.14 talk contribs 872 bytes +85 →Video Solution

17 December 2021

• curprev 19:3819:38, 17 December 2021 Mathfun1000 talk contribs m 787 bytes +5 No edit summary

28 October 2021

• curprev 11:5411:54, 28 October 2021 Victorheyoutube talk contribs 782 bytes +74 →Solution

9 August 2018

• curprev 16:0216:02, 9 August 2018 Tempaccount talk contribs 708 bytes −13 Remove extra problem section
• curprev 14:4514:45, 9 August 2018 Tempaccount talk contribs 721 bytes +13 Adding problem section

21 December 2013

• curprev 13:1713:17, 21 December 2013 Happiface talk contribs 708 bytes −67 adjusted LaTeX

4 July 2013

• curprev 19:2219:22, 4 July 2013 Nathan wailes talk contribs 775 bytes +15 No edit summary

12 April 2012

• curprev 15:5215:52, 12 April 2012 1=2 talk contribs m 760 bytes 0 No edit summary

17 March 2010

• curprev 12:1512:15, 17 March 2010 Azjps talk contribs 760 bytes +760 credit to gaussintraining