That said, TI-83 and TI-84 calculator firmware must be manually downloaded to your PC and updated over USB, so users who want to remain on the older version can do so by simply not installing the ...

It's a TI-83. But with "Plus" written in the top right corner. TI hasn't even attempted to modify the design of this here machine since the early part of the 1500s, so I expected no different when ...

Ok before I get flamed I'll explain why I want to do this. My Calculus teacher will only let us use a ti-83 or below, and resets our memory before every test. Now I don't use the programs anyway ...