No, no. Who would want it then? No, the 89 is based off the 92 Plus, which in turn is the 92 with 85/86 stuff added to it. In fact, the 89 appears to be EXACTLY the 92 Plus, sans geometry. Yes, I'm nitpicking. >The TI-92 was actually based off the TI-82, hence the number difference. > The TI-89 is based off the TI-92, so it is probably going to be closer >to a TI-82/TI-83, rather than TI-85/TI-86.