Tue, 17 Feb 2009 10:03:58 +0000 Even and odd powers of -1
paulson [Tue, 17 Feb 2009 10:03:58 +0000] rev 29958
Even and odd powers of -1
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip