TEMPERATURE
          
  Fahrenheit Scale    
        after G. D. Fahrenheit, German physicist (1686 - 1736);
to convert Fahrenheit to Celsius (Centigrade), subtract 32 and
multiply by 5/9.
        
  Celsius (Centigrade) Scale    
  after A. Celsius, Swedish astronomer (1701 - 1744);
to convert Celsius (Centigrade) to Fahrenheit, multiply by 9/5
and add 32.
   
    ° Celsius ° Fahrenheit 
  Boiling point of water 100° 212°
  Freezing point of water 32°
          
  Enter the temperature to be converted and check its scale:
  Celsius Fahrenheit