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(Moderators: Icarus, SMQ, Grimbal, Eigenray, ThudnBlunder, towr, william wu)
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  Subject Started by Replies Views Last post
Unsolved: 3x+1 Sequence Conundrum Sameer 15 7235 Aug 10th, 2011, 7:56am
by swt
Chessboard Conundrum chetangarg 11 2134 May 6th, 2011, 10:13am
by JohanC
Can you help FBI Crack Victim's Crypted Message denis 0 1740 Apr 1st, 2011, 10:50pm
by denis
Pythagorean factorials JocK 3 2012 Feb 12th, 2011, 10:25pm
by x2862
Maximise Uncertainty ThudnBlunder 1 1573 Jan 29th, 2011, 9:56am
by ThudnBlunder
Last post Immanuel_Bonfils 1 1399 Sep 21st, 2010, 11:49pm
by towr
differential equation hparty 4 1733 Sep 24th, 2010, 10:27am
by Aryabhatta
Simulated Continuous Random Variables william wu 8 2783 Sep 23rd, 2010, 2:36pm
by pex
Prisoners again- with 2 switches
« Pages 1 2 »
mad 32 14699 Aug 11th, 2010, 12:18am
by Hippo
n prisoners and a k-state switch Hippo 18 5859 Aug 8th, 2010, 12:54am
by Hippo
Infinite Quarter Sequence - what about 3 piles? profcool 5 2505 Aug 6th, 2010, 7:35am
by Grimbal
Product and Sum, a variation Grimbal 22 1731 Aug 5th, 2010, 3:37am
by abcbcdcdef
Moved: make the sum zero sak_lko 0 993 Aug 2nd, 2010, 11:34am
by sak_lko
fourier transform  of distributions trusure 2 1294 Mar 17th, 2010, 10:50am
by Obob
How far can a truck go carrying it own fuel?
« Pages 1 2 3 »
Feijia Zhu 73 9774 Apr 19th, 2010, 8:03am
by N/A
PDE trusure 11 1732 Apr 15th, 2010, 11:54am
by Obob
Sink The Sub
« Pages 1 2 »
- chris 35 14626 Apr 15th, 2010, 10:09am
by Aryabhatta
Moved: Maximum Subarray with equal no of 1s and 0s sateesp 0 1328 Mar 11th, 2010, 11:15pm
by sateesp
Moved: Vending machine problem. sateesp 0 918 Feb 27th, 2010, 1:18am
by sateesp
Card Game aicoped 9 2976 Jan 31st, 2010, 6:30pm
by aicoped
CALENDAR CUBES 1 - The answer slaverstudent 2 4800 Jan 26th, 2010, 3:04am
by slaverstudent
HARD: Message Reconstruction Icarus 1 2817 Jan 8th, 2010, 11:35pm
by mk
Moved: Impossible Question diemert 0 732 Nov 16th, 2009, 4:36am
by diemert
island dilemma Ankitt_sk 1 1018 Oct 28th, 2009, 12:40am
by towr
jumping frog kyle1080 14 1864 Oct 20th, 2009, 4:16pm
by Obob
Moved: Math riddle? x2862 0 1415 Jul 19th, 2009, 2:09pm
by towr
12 balls - variation redPEPPER 24 16685 Jul 8th, 2009, 11:23pm
by Victor_YS_Cheung
Pseudo-tessellation ecks 7 2448 Jun 16th, 2009, 2:46pm
by Aryabhatta
log n and sigma 1/n kaushiks.nitt 2 3005 Jun 13th, 2009, 1:31pm
by Eigenray
Moved: Prime number problem Benny 0 1109 Jun 3rd, 2009, 1:19pm
by SMQ
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