"Leland C. Scott" wrote in message
...
Is there a source for Puff 2.1 in the USA currently. I know it is no
longer
avaiabe from Professor Dave Rutledge at Caltech Institute. I don't want to
buy the two the books

Have a look at Ansoft Designer SV. It's free (intended for students)
although the full version costs lots of $$$.

73, Leon
--
Leon Heller, G1HSM
http://www.geocities.com/leon_heller