In a message dated 98-07-03 18:16:02 EDT, you write: > Do any other ROM versions exist for the TI-82 besides 16.0, 17.0, 18.0, > and 19.0? Someone is trying to sell a 12.0 over the net, and the Jason Todd was trying to gain compatibility with 7.0 or 3.x (?) for OS-82. There were a lot of others. One of the only good remaining BASIC programmers has a 10.0 calc ~Adamman