3 July 2013

• curprev 20:4720:47, 3 July 2013 Nathan wailes talk contribs 1,634 bytes +15 →See also

31 December 2010

• curprev 17:5917:59, 31 December 2010 Myyellowducky82 talk contribs m 1,619 bytes 0 →Problem

25 February 2010

• curprev 22:3322:33, 25 February 2010 Azjps talk contribs m 1,619 bytes 0 Semi-automated contest formatting - script by azjps
• curprev 22:3222:32, 25 February 2010 Azjps talk contribs m 1,619 bytes +123 Semi-automated contest formatting - script by azjps

16 February 2010

• curprev 08:2608:26, 16 February 2010 Misof talk contribs 1,496 bytes +134 →Solution

11 February 2010

• curprev 16:2516:25, 11 February 2010 Stargroup talk contribs m 1,362 bytes +13 →Solution

10 February 2010

• curprev 15:3615:36, 10 February 2010 Stargroup talk contribs 1,349 bytes +1,349 Created page with '== Problem 15 == A coin is altered so that the probability that it lands on heads is less than <math>\frac{1}{2}</math> and when the coin is flipped four times, the probaiblity o…'