FREE VERSION OF THE FULL SCREEN CALCULATOR
CLICK HERE to DOWNLOAD FREE!
It may be necessary to click More info on a windows screen to access the Run button
You will be downloading a file named  FscSetup.exe   double click to install the calculator
There are various free places on the internet where you can check a file to ensure it is malware and virus free, the url for the file you will be down loading here is www.rainhamusic.com/FscSetup.exe
The free version is time limited