RS' new electronics website (www.sparkdesign.com) now has Microwave tools=20 (demo) for download - includes Smith Chart capability.=20 They also have Scilab available for download in 32 and 64 bit and a=20 download link for Pear and Puffin users. Colin -- cdb, 3/08/2010 =20 -- colin@btech-online.co.uk --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .