Sun, 22 Aug 1999 21:13:20 +0200 wenzelm checkpoint;
Sun, 22 Aug 1999 18:21:36 +0200 wenzelm tuned;
Sat, 21 Aug 1999 16:59:03 +0200 wenzelm real numerals;
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip