Does anyone have a basic program that can do real integrals with any function. I know the 85 has a built in FnInt( function, but that just returns a number. I want an equation. Any help? == Garth Johnson Visit my ever-improving website! http://www.bigfoot.com/~garthjohnson _________________________________________________________ DO YOU YAHOO!? Get your free @yahoo.com address at http://mail.yahoo.com