5 March 2016

• 15:1715:17, 5 March 2016 diff hist +1 m 2016 AIME I Problems/Problem 14 →Solution

21 February 2016

• 22:4522:45, 21 February 2016 diff hist −6 2016 AMC 12B Problems/Problem 16 →Solution
• 22:4422:44, 21 February 2016 diff hist +1,319 2016 AMC 12B Problems/Problem 16 →Solution

16 February 2016

• 23:0023:00, 16 February 2016 diff hist +610 2012 AMC 12B Problems/Problem 5 →Solution

13 February 2016

• 12:3912:39, 13 February 2016 diff hist +8 2006 AMC 12B Problems/Problem 3 →Solution 1 current

27 November 2015

• 00:5900:59, 27 November 2015 diff hist +876 2015 AMC 8 Problems/Problem 20 →Solution 2