THEODORE NIKODEM wrote in a message to ROGER NELSON:

-> For a faster, but less accurate way, you could simply multiply by 2.

 TN> And Add 30.

 TN> ((21C * 9) / 5) + 32 = 69.8f
 TN> (21c * 2) + 30       = 72F    (Not accurate but approximate) 

Here are the formulae for both:

F= (C x 9/5 + 32)     C= (F-32) x 5/9


Regards,

Roger 
--- timEd/386 1.10.y2k+