Re: (85)Am I insane?

Subject: Re: (85)Am I insane?
From: Jim Pingle <Tajador@cris.com>
Date: Mon, 18 Nov 1996 22:24:58 GMT
In-Reply-To: <329005AB.711D@davlin.net>

On Mon, 18 Nov 1996 00:43:55 -0600, you wrote:


>I was performing some conversions from Celsius to Kelvin.   Usually I
>simply add the value "273" to my celsius scale for the conversion.  I
>happened to have been in the CONV screen and used the TEMP conversion
>Here is what happens:
>
>5 C->K   . . . =3D  278.15
>1 C->K   . . . =3D  274.15
>0 C->K   . . . =3D  273.15
>So far so good right but check this out!!!!
>
>do this:
>-1 C->K   . . . =3D -274.15 (negative 274.15 mind you!!!)
>-5 C->K   . . . =3D -278.15
>-0 C->K   . . . =3D -273.15 (???!!??!?!??!)
>
>Yeah no big deal but is the a bug?  Is this old news?  It really does
>not affect my mathematical performance in Temp conversion but thought
>I'd share with the TI community.


It's not really a bug per se, but an operations order problem,
conversion is done before the negative symbol is used, try
(-1) C->K and you get 272.15

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