Fri, 18 Aug 2000 12:31:20 +0200 new example ZF/ex/NatSum
paulson [Fri, 18 Aug 2000 12:31:20 +0200] rev 9647
new example ZF/ex/NatSum
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip