User contributions
- 19:33, 14 December 2009 (diff | hist) . . (+16) . . m Mock AIME 2 2006-2007 Problems/Problem 13 (→Solution)
- 19:32, 14 December 2009 (diff | hist) . . (+567) . . Mock AIME 2 2006-2007 Problems/Problem 13
- 20:08, 19 May 2008 (diff | hist) . . (-15) . . m Cramer's Rule (Language more formal)
- 20:07, 19 May 2008 (diff | hist) . . (-64) . . m Cramer's Rule (Changed variables to improve readability)
- 20:04, 19 May 2008 (diff | hist) . . (+26) . . Cramer's Rule (→General Form for n variables)
- 20:03, 19 May 2008 (diff | hist) . . (+1,471) . . Cramer's Rule (Added general case and example)
- 17:20, 18 February 2008 (diff | hist) . . (-1) . . m 1989 AIME Problems/Problem 9 (→Problem)