10 February 2017

• 23:3623:36, 10 February 2017 diff hist +147 2016 AMC 10A Problems/Problem 19 →Solution 2
• 23:3123:31, 10 February 2017 diff hist +291 2016 AMC 10A Problems/Problem 24 No edit summary

21 July 2015

• 13:3913:39, 21 July 2015 diff hist −8 P versus NP →Importance
• 13:3913:39, 21 July 2015 diff hist 0 P versus NP →Importance

3 February 2013

• 19:3419:34, 3 February 2013 diff hist 0 m 2011 AMC 10A Problems/Problem 21 spelling of essence was wrong

12 November 2012

• 17:1717:17, 12 November 2012 diff hist +1,110 2009 AMC 8 Problems/Problem 19 →Problems

11 November 2012

• 00:5500:55, 11 November 2012 diff hist +56 2010 AMC 8 Problems/Problem 21 →Solution
• 00:4100:41, 11 November 2012 diff hist −6 m 2010 AMC 8 Problems/Problem 17 →Solution
• 00:4100:41, 11 November 2012 diff hist +6 m 2010 AMC 8 Problems/Problem 17 →Solution
• 00:4100:41, 11 November 2012 diff hist −1 2010 AMC 8 Problems/Problem 17 →Solution
• 00:4000:40, 11 November 2012 diff hist +7 m 2010 AMC 8 Problems/Problem 17 →Solution
• 00:4000:40, 11 November 2012 diff hist +1 2010 AMC 8 Problems/Problem 17 →Solution
• 00:4000:40, 11 November 2012 diff hist +43 m 2010 AMC 8 Problems/Problem 17 →Problem