ADIF_PrefixCalc v1.0
download for first time users [Dec 2011].
Click this file and select `Run` to start the installation process and follow the prompts.
Calculator pix
02 Dec 2012
ADIF_PrefixCalc v1.1
update file. Use this file to update the
software to the latest revision (not an install file). Extract
the file to your ADIF_PrefixTotals folder, where originally installed.