ON 20010917@1:27:13 PM at page:
http://www.piclist.com/techref/method/math/expeval.htm
JMN-EFP-786 James Newton added 'archive reference
http://www.piclist.org/techref/postbot.asp?by=time&id=piclist\1998\10\07\153939a
PICList post "<I>FORTH / Expression parsing</I>" brilliantly simple postfix calculator type expression evaluator'