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(Moderators: SMQ, Grimbal, Eigenray, Icarus, william wu, towr)
requires some formal math training to understand
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  Subject Started by Replies Views Last post
An inequality acarchau 2 1056 Dec 15th, 2008, 3:30am
by ThudnBlunder
Sum of integers whose reciprocals sum to 1 Michael Dagg 4 7042 Dec 10th, 2008, 12:50am
by towr
Number of skew polyominos howard roark 9 4870 Dec 10th, 2008, 12:34am
by towr
A Beastly Number ThudnBlunder 14 1800 Dec 9th, 2008, 5:32pm
by Eigenray
tough number theory prob.
« Pages 1 2 »
LeoYard 26 2952 Nov 7th, 2008, 12:23pm
by Michael Dagg
help with a putnam question sarah9 2 4099 Nov 6th, 2008, 2:02pm
by Eigenray
Cubic Diophantine Equation Barukh 9 1464 Nov 4th, 2008, 11:11pm
by Eigenray
Dice sum divisibility Eigenray 6 2959 Oct 17th, 2008, 9:46am
by william wu
Proving Primality like Euler Barukh 5 1186 Sep 27th, 2008, 1:35am
by Eigenray
Can one connected set pass through another? ecoist 8 1069 Sep 26th, 2008, 3:13pm
by Hippo
Number problem
« Pages 1 2 »
NightBreeze 26 2623 Sep 25th, 2008, 1:56pm
by NightBreeze
for prime >3, sum_k=1^(p-1) 1 over k =0 mod p^2 4butipul2maro 2 1008 Sep 18th, 2008, 2:33pm
by Eigenray
Complete set wonderful 2 1195 Sep 16th, 2008, 4:09pm
by wonderful
(tanA)(tanB)(tanC) ThudnBlunder 4 9950 Aug 30th, 2008, 6:05am
by l4z3r
Integral Solutions l4z3r 6 1354 Aug 30th, 2008, 5:34am
by l4z3r
Limit of Integral ThudnBlunder 2 744 Aug 7th, 2008, 10:04am
by Eigenray
Limit of a Combinatorial Sum Michael Dagg 2 781 Aug 2nd, 2008, 8:38pm
by Michael Dagg
Inequality ThudnBlunder 2 678 Jul 13th, 2008, 3:02pm
by Eigenray
Cubic Congruences ThudnBlunder 3 694 Jul 12th, 2008, 2:37pm
by Eigenray
Interesting inequality wonderful 12 1218 Jul 4th, 2008, 2:26pm
by wonderful
Odd integration problem NightBreeze 2 801 Jun 24th, 2008, 10:03am
by NightBreeze
Prime power moments Aryabhatta 10 1010 Jun 20th, 2008, 2:38pm
by Obob
Barely compatible gatherings ecoist 4 1032 Jun 9th, 2008, 2:50pm
by ecoist
Proving Stokes' Theorem Marissa 3 4292 May 5th, 2008, 6:37pm
by Eigenray
SIGMAarctan(2/n^2) ThudnBlunder 7 1629 May 21st, 2008, 3:59am
by william wu
Sinc(x) ThudnBlunder 3 4603 May 20th, 2008, 1:44pm
by william wu
Common Eigenvector Condition william wu 9 5214 May 19th, 2008, 1:08pm
by william wu
Summation ThudnBlunder 10 1569 May 11th, 2008, 10:04am
by towr
matrix temporary 24 1898 Apr 24th, 2008, 7:42pm
by Michael Dagg
Help with an Arithmetic/algebra equation game uzo 2 3373 Apr 6th, 2008, 7:18am
by towr
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