alan smith wrote: > I did some searching, and saw some routines on arctan, but wondering is doing a tan calculation out the the reach of a 18F processor. What I am eventually implementing is audio eq calculations. Could you look into C18 SRC folder? -- Ciao, Dario -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist