added another diff calc code
authorhackbard <hackbard@sage.physik.uni-augsburg.de>
Mon, 6 Apr 2009 16:29:01 +0000 (18:29 +0200)
committerhackbard <hackbard@sage.physik.uni-augsburg.de>
Mon, 6 Apr 2009 16:29:01 +0000 (18:29 +0200)

No differences found