11 February 2012

• 16:4016:40, 11 February 2012 diff hist +12 m 2012 AMC 12A Problems →Problem 18

23 October 2010

• 18:2018:20, 23 October 2010 diff hist 0 m Improper fractional base fix link current

7 July 2010

• 15:3515:35, 7 July 2010 diff hist 0 m 2009 IMO Problems →Problem 4.: fixed from the actual problem PDF
• 15:2815:28, 7 July 2010 diff hist 0 m 2009 IMO Problems →Problem 4.: angle BAC is the same as CAB... the bisector of CBA, however WOULD intersect CA. (correct if wrong, please)

6 June 2010

• 12:5012:50, 6 June 2010 diff hist +155 Chicago ARML 2010 results

20 March 2010

• 16:1616:16, 20 March 2010 diff hist +647 2010 AIME I Problems/Problem 14 No edit summary