Tue, 17 Feb 2009 10:03:58 +0000 paulson Even and odd powers of -1
Wed, 18 Feb 2009 10:26:48 +0100 blanchet merged
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip