I have tried a couple examples with this app and it appears to be a lot of = fun. I cannot attest to it=92s accuracy. Suggested to me by Oyvind Dahl, B=E5husveien 14, Oslo, Oslo 0573, NORWAY=20 http://www.build-electronic-circuits.com/ I really like this guy. Gus in Denver --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .