I was looking around my hard drive, and I was lucky to discover the file where I saw the edit-locking instructions. For those who were curious, another way to edit-lock a program on a TI-92 (w/ an early ROM version) is to type this in the beginning of the program: Try Else:EndTry When this is tokenized by the TI-92, then converted back into text, everything following the "Try" will disappear. -fB