TIB: TI-89 "basic" info


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TIB: TI-89 "basic" info




well, this isnt a question about "BASIC", but they are pretty "basic" 
questions. ah well, someone probably knows anyways.
I got a TI-89 a couple days ago (previously had an 86. still have it. 86's 
rule), and am confused as heck by it. a few main questions though

How do i make/edit a custom menu? The directions in the manual definately 
wern't very clear about it.
Is there a quicker way than typing it out in the text display (like through a 
menu) tu "run" a program (i know the edit is in a menu, but not seeing a run 
anywhere).
Also, whats up with the X, Y, Z and T (especially T) keys anyways? I know 
where they are, but why arent they like the rest of the alpha keys?

I think that's probably it, at least for a while.
The 86 was definately much easier to pick up and use/program for. ah well, im 
sure the 89 will be good when i get used to it.