Thu, 22 Feb 2001 11:47:35 +0100 kleing removed unused function
Thu, 22 Feb 2001 11:31:31 +0100 paulson a PROPER tidy-up
Thu, 22 Feb 2001 10:18:41 +0100 nipkow recoded function iter with the help of the while-combinator.
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip