Thu, 21 Dec 2000 16:19:39 +0100 rational arithmetic
nipkow [Thu, 21 Dec 2000 16:19:39 +0100] rev 10718
rational arithmetic
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip