In a message dated 98-04-23 22:46:32 EDT, you write: << What do you mean it didn't work? It won't work on the 92 too well, because you can unlock the edit-lock on the calc. But for TI-8x calcs, you can check the checkbox at the bottom of the program editor (in the TI Graph Link Software) to edit-lock the program. >> The graph link software from TI right? I dont see anybox and i am using the TI-85...