[NAFEX] celcius vs fahrenheit

Stephen Sadler Docshiva at Docshiva.org
Tue May 24 15:38:32 EDT 2005


Yep, that's where they 'cross'.  Rounded, or limiting oneself to significant
figures, 39 and 41 will also work out the same; but if you get down to
tenths, 40's the only temperature doppelganger. 

Stephen Sadler, Ph.D.
USDA 9, AHS heat zone 8, 
Sacramento CA - Mediterranean climate

-----Original Message-----
From: nafex-bounces at lists.ibiblio.org
[mailto:nafex-bounces at lists.ibiblio.org] On Behalf Of Gary Woods
Sent: Tuesday, May 24, 2005 6:38 AM
To: North American Fruit Explorers
Subject: Re: [NAFEX] celcius vs fahrenheit

On Mon, 23 May 2005 21:26:07 -0700, you wrote:

>My ruler with the Celcius and Fahrenheit scale doesn't go below -22°F/-31°C
so I
>had to guess.

Actually, then cross at -40.

c/(f-32)=5/9

If f=40
c/(-40-32)=5/9
c=(5/9)(-72)
c=-40

And to think I've been wasting brain cells on that all these years...







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