Re: TI-85 convert problem?

Subject: Re: TI-85 convert problem?
From: Bill Dickson <billyd@Early.com>
Date: Wed, 16 Oct 1996 15:05:00 -0400
In-Reply-To: <TI-85 convert problem?>

Jonathan Todd Samuel <jsamuel+@ANDREW.CMU.EDU> Stated:


> I don't think it's a bug-- it has to do with the order of operations on
> the ti-85. The TI-85 apparently does conversion before multiplying. For
> example:
>
> typing
> -300 degreesF -> degreesK
> gives me
> -422.03.. degress K
>
> (which happens to equal -1 times (300 degreesF -> degreesK)
>
>
> but if I type
> (-300) degreesF -> degreesK
> I get
> 88.70555...
>
> Which is more reasonable.
> Hope this answers your question; I was surprised by this too when I
> first noticed it. When in doubt, use parenthesis :-)
>


Yeah, (-40) DegF->DegC yields the correct -40, as well.  I was under the
impression that the negation operator (-) had the highest precedence, which
should render the grouping () redundant?  Does the manual mention inputting
negative values to these conversion routines? (mines at home)




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