Re: TI-M: TI-89 root question
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Re: TI-M: TI-89 root question
> I didn't see any problem on the TI-86. You have to put, say, 27^3 with
the
> superscripted -1 right after it, but if you don't want to use the
> superscripted number for some reason, you have to do this: 27^(3^-1)
That's a perfect example of the problem right there =)
27^3^-1 should be taken as 27^(3^-1) by default, as powers are _right_
associative. The 86 WRONGLY interprets it as (27^3)^-1. That's a major
error in the calculator that, AFAIK, TI has not fixed in new ROM versions.
-Scott
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