# User contributions

- 02:51, 19 July 2015 (diff | hist) . . (+3) . . 2006 IMO Problems/Problem 3 (→Problem) (current)
- 07:03, 5 July 2015 (diff | hist) . . (0) . . Brahmagupta's Formula
- 21:08, 4 July 2015 (diff | hist) . . (-1) . . Brahmagupta's Formula
- 04:02, 26 September 2014 (diff | hist) . . (+334) . . Fermat point
- 03:58, 26 September 2014 (diff | hist) . . (+257) . . Centroid (current)
- 08:47, 6 September 2014 (diff | hist) . . (-25) . . 2010 AMC 10B Problems/Problem 1
- 08:45, 6 September 2014 (diff | hist) . . (-4) . . 2006 AMC 10B Problems/Problem 18
- 08:43, 6 September 2014 (diff | hist) . . (+21) . . 2012 AIME I Problems/Problem 3
- 08:41, 6 September 2014 (diff | hist) . . (+316) . . 1997 AJHSME Problems/Problem 24 (current)
- 08:32, 6 September 2014 (diff | hist) . . (+436) . . 2012 AMC 10A Problems/Problem 3 (current)
- 08:05, 6 September 2014 (diff | hist) . . (+6) . . Law of Cosines
- 08:00, 6 September 2014 (diff | hist) . . (+11) . . Law of Sines
- 03:00, 5 July 2014
(diff | hist) . .
**(+540)** . . 1995 AHSME Problems/Problem 17 - 05:12, 23 May 2014 (diff | hist) . . (+4) . . Lucas Numbers (current)
- 22:50, 22 May 2014 (diff | hist) . . (+113) . . Euler's totient function (→Identities)
- 22:45, 22 May 2014 (diff | hist) . . (+195) . . Euler's Totient Theorem
- 22:15, 22 May 2014 (diff | hist) . . (+315) . . N 2006 IMO Problems/Problem 6 (Created page with "==Problem== Assign to each side <math>b</math> of a convex polygon <math>P</math> the maximum area of a triangle that has <math>b</math> as a side and is contained in <math>P</ma...") (current)
- 22:14, 22 May 2014 (diff | hist) . . (+305) . . N 2006 IMO Problems/Problem 3 (Created page with "==Problem== Determine the least real number <math>M</math> such that the inequality <math> \left|ab\left(a^{2}-b^{2}\right)+bc\left(b^{2}-c^{2}\right)+ca\left(c^{2}-a^{2}\right)|...")
- 22:12, 22 May 2014 (diff | hist) . . (+1) . . 2006 IMO Problems/Problem 1
- 22:11, 22 May 2014 (diff | hist) . . (+305) . . N 2006 IMO Problems/Problem 1 (Created page with "==Problem== Let <math>ABC</math> be triangle with incenter <math>I</math>. A point <math>P</math> in the interior of the triangle satisfies <math>\angle PBA+\angle PCA = \angle P...")
- 22:05, 22 May 2014 (diff | hist) . . (+325) . . N 1994 USAMO Problems/Problem 3 (Created page with "==Problem== A convex hexagon <math>ABCDEF</math> is inscribed in a circle such that <math>AB=CD=EF</math> and diagonals <math>AD,BE</math>, and <math>CF</math> are concurrent. Le...")
- 22:02, 22 May 2014
(diff | hist) . .
**(+550)** . . N 1994 USAMO Problems/Problem 2 (Created page with "==Problem== The sides of a <math>99</math>-gon are initially colored so that consecutive sides are red, blue, red, blue,..., red, blue, yellow. We make a sequence of modification...") - 22:01, 22 May 2014 (diff | hist) . . (+331) . . 1994 USAMO Problems/Problem 1
- 09:55, 25 April 2014 (diff | hist) . . (+18) . . 2005 CEMC Gauss (Grade 7) Problems/Problem 1
- 05:48, 31 March 2014 (diff | hist) . . (+18) . . 2014 AIME II Problems/Problem 14
- 04:32, 31 March 2014 (diff | hist) . . (+36) . . 2014 AIME II Problems/Problem 14
- 03:57, 31 March 2014 (diff | hist) . . (+21) . . 2014 AIME II Problems/Problem 14
- 03:57, 31 March 2014 (diff | hist) . . (+34) . . 2014 AIME II Problems/Problem 14
- 03:54, 31 March 2014 (diff | hist) . . (+124) . . 2014 AIME II Problems/Problem 14
- 03:42, 31 March 2014 (diff | hist) . . (+34) . . m 2014 AIME II Problems/Problem 14