I still don't know which of the wordmark fonts would be best...
Basically, this version is black background, gray header, like one of a TI calculator's screen borders, and a slightly green-tinted page, like a TI calculator screen. The buttons are black and the links remained blue, just because. This could be improved with an actual graphic in the background. I could also use that MediaWiki.css to turn the
a.wikia-button.secondary items blue, since the Graphing buttons on the TI-84 are blue.
Basically what I have now is supposed to invoke a TI screen; I can't say much beyond that. Does it work?