Anyone have a favorite routine for parabolic interpolation of integer values in Microchip C? I have an array of x values and an array of y values. I'd like to pass in an arbitrary x and get a y. THANKS! Harold -- FCC Rules Online at http://www.hallikainen.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body