I downloaded some programs for the TI-83 from ticalc.org and so far none of them work smoothly. (i.e. Nibbles, yatzee, for some). Has anyone else had any trouble? Also, if you run a fake mem program, how do you yourself get into the programs on your calculator. I'm afraid to run it and lock myself out. Linda Tansil Cape Central H.S. 205 Caruthers Cape Girardeau, MO 63701 573-335-8228 fax: 573-334-1114