Date: Mon, 20 Apr 1998 09:57:14 +0100 From: "Adrian Arnold" <acarnold@acis.co.uk> To: cp@opus.hpl.hp.com Message-Id: <aabcdefg1318$foo@default> Subject: Re: Celcius to Farenheight and vice versa
WOW!
Thanks for the maths etc. Very comprehensive indeed! FWIW, I usually use
the following reasoning:
Unfortunately, for some strange reason, in the Fahrenheit scale, water
boils at 212degrees but at 100degrees Celsius and freezes at 32degrees F
and 0degrees C so there is effectively a 32degree 'offset' on the
Fahrenheit scale. If you take this offset away from Fahrenheit
temperatures, the figures given for freezing and boiling water become 0 -
100C and 0 - 180F and that means you have to multiply C figures by 180/100
(or 9/5) to get degrees F or multiply F figures by 100/180 (or 5/9) to get
degrees C. The only tricky bit is the 32degree offset - take it away from F
figures (when converting to C in order to remove the 'offset') and remember
to put it back on at the end when converting C to F to restore the
'offset'.
All you really have to remember is 32 and 212 degrees F for freezing and
boiling points of water correspond to 0 and 100 degrees C.
HTH.
Regards,
Adrian Arnold
acarnold@acis.co.uk
http://www.acis.co.uk/index.htm
> Subject: Celcius to Farenheight and vice versa
> Message-ID: <199804192238.SAA06492@cmet.net>
>
> Hi!
>
> I've got lots of feedback on my question and now I feel it's my turn.
> Several people who wrote to me didn't know the formula of conversion
> from Farenheight to Celcius and vice versa. It's not a very "nice"
> looking formula, that's why it's so difficult to memorize. But the
> process to deduce it is more easy to remember if you like a little
> math.
<SNIP>
> F=3D ((9*C)/5) + 32
> C=3D(5*(F-32))/9
>
<SNIP>
> 2.- I wrote this extensive message in as easy terminology as I can.
> My purpose is to attract those of you that think that find this too
> complicated. I would very much like to read your feedback since as I
> like to teach, I would like to know if I succeded or not with this
> purpose.
>
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