Calculator

Place the mouse pointer to a function key so that the function will pop up.

For Celsius/Fahrenheit conversion, for example, select C/F so that "tempCF(" will appear. Then input:  25)=, i.e., tempCF(25)=

You will get 77 deg. F, which means that 25 degrees Celsius is 77 degrees Fahrenheit.

Select "Clr" to clear the value.

To convert 10 inches into centimeters, for example, select  i/cso that "inchcm(" will appear.

Then input 10)=, i.e., inchcm( 10)=

You will get 25.4 cm.