Thanks Lile. It's so hard finding those publications for free.. :( I think that I'll have to buy something like this: http://www.amazon.com/exec/obidos/tg/detail/-/1883413885/qid=1074965309//ref=sr_8_xs_ap_i12_xgl14/102-1858541-0272969?v=glance&s=books&n=507846 or http://tinyurl.com/3c6md Eron. sexta-feira, 23 de janeiro de 2004, 13:59:41, estava escrito: > Good luck finding ASHREA fundamentals for free. I have a copy of it, but > I am not parting with it. :-( > There are a number of psychometric routines available as shareware, people > have been doing psychrometrics with computers since most of us were > children. > Any decent sized library would have a copy, and the math is not that hard. > Copy the relevant pages, figure out the formulas, and write a spreadsheet > or a visual basic routine that does what you need! > Another method might be to call around to Mechanical engineering firms in > your area, tell them you are a student and want an outdated copy. Often > these firms will buy a new copy every 4 years. The physics of air, > however, hasn't changed for as long as I can remember. Hopefully you are > a student, and not just a cheapskate like myself. > -- Lawrence Lile > P.S. In case there are those who do not know what psychrometrics are, it > is the science of measuring psychic ability in psychotic patients. (not) > I just had to say that, it is actually the science of measuring heat, > moisture, and heat flow through air. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.