How my daughter's toy thermometer converted Fahrenheit to Celsius

Doli Yearning Baby Bath Thermometer with Room Temperature, Fahrenheit and Celsius, Frog Lovely Shape, Kids' Bathroom Safety Products

If your children hate putting a mercury or digital thermometer in their mouth or armpits, then MaxiAids Reizen Non-Contact Infrared Talking

MaxiAids Reizen Non-Contact Infrared Talking Thermometer

Fever: What Is A Fever?, PDF, Fever

How to change from Degree Fahrenheit to Degree Celsius