>Sounds interesting. >Can you point me to the datasheet page ?? >Havenīt you find the expander E(g) source ?? CAn anybody on the list tell me >where to find it . I think its at stockly.com/pub/unsupported/ticalc Thats where I put all my ti-hardware stuff. >Grant did you send the source to the list?? Maybe its in the TIcalc archive Its too big to post to this list. Grant