Enter your campaign variables in the left hand column labeled "Campaign Variables."  TAB into the cell or double click in each cell to enter your variables.  Enter percentages as whole number (i.e., 55% as 55, etc.).   You can conduct 'what-if' analysis by adjusting your variables up or down.   To reset this calculator, click on the RESET button at the bottom of the screen.  To print, click the PRINT button.   Your document will be saved as a PDF and then you may print it.