Thread: UK date format, is it possible?
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Old 08-05-2009, 06:33 AM   #11
pdurrant
The Grand Mouse 高貴的老鼠
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Quote:
Originally Posted by Ea View Post
Does anyone know any rules of thumb for fahrenheit to celcius ? I haven't quite cracked that.
Subtract 30 and divide by 2.

(It's exact for 50°F:10°C, a slight underestimate for higher temperatures and a slight overestimate for colder temperatures.)
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