BS> So 72F is about 21C?
 
BS> I never got any use of the F unit, so never got a clue on how to
BS> calculate between celcius and fahrenheit.
 
To determine the F reading, take the C, divide by 5, multiply by 9 and add
32.  For a faster, but less accurate way, you could simply multiply by 2.
 
 
Regards,
 
Roger

... How do you pronounce my name?   With reverence.
--- D'Bridge 2.94