Juergen Schultz <Juergen.Schultz@fh-zwickau.de> wrote (ecrivait) : > I am looking now for a program on the TI92 that calculates formulas > like Ay''+By'+y=f(x). There is two goods programs to do that at : http://www.ac-amiens.fr/limoges/calculatriceTI/ti92.html <pre> -- Guillaume du Manoir Guillaume.du-Manoir@gdm.fr.eu.org http://gdm.home.ml.org </pre>