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<DIV><FONT face=Arial size=2>Correction:</FONT></DIV>
<DIV><FONT face="Courier New" size=2></FONT> </DIV>
<DIV><FONT face="Courier New" size=2>2: compute the number of iterations in
advance as</FONT></DIV>
<DIV><FONT face="Courier New" size=2> n=(inexact->exact (ceiling
(/ (- finish start) step))))</FONT></DIV>
<DIV><FONT face="Courier New" size=2> and loop (for ((i
(in-range 0 n 1))) (let ((var (+ start (* i step)))) etc))</FONT></DIV>
<DIV><FONT face="Courier New"
size=2>
^^^^</FONT></DIV>
<DIV><FONT face="Courier New" size=2>Jos</FONT></DIV></BODY></HTML>