Re: Why Ti 80 etc. ?

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Why Ti 80 etc. ?
From: Ray Kremer <rkremer@BRADLEY.EDU>
Date: Fri, 20 Mar 1998 01:22:59 -0500
Reply-To: Ray Kremer <rkremer@BRADLEY.EDU>

Yes, the 85 and 86 have slightly different keyboards, as do the 82 and 83.
TI added some functions, so a little alteration was nessecary.  (The 86
differs from the 85 in only two or three buttons, I believe.)  Still,
the change from 92 to 89 keyboards is of course much more drastic.

I wonder which the model number really does reflect, the case style (80's)
or the power level (90's) in relation to the 89.  TI seems to have decided
it reflects the case style for the 89, though the 73 seems to go the other
way.

>Actually, even the TI-85 and TI-86 have different key layouts (don't
>know about 82 & 83).  I do agree however that the TI-89 is more
>appropriate than the TI-90 because since it is flash upgradable, they
>won't have to come out with a new calculator like they did with the
>TI-85-->TI-86 and TI-82-->TI-83, unless they want to come out with a
>whole new key layout or different hardware specifics.

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