Sat, 15 Oct 2005 00:08:09 +0200 wenzelm note_thmss, read/cert_vars etc.: natural argument order;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip