Based on your description, here is a possible solution.Add 8 text fields to your form named nbr1 thru nbr8Add a ninth field for the total.Using formCalc (in the total field):Sum (nbr1,nbr2,nbr3,nbr4,nbr5,nbr6,nbr7,nbr8)Now add 8 checkboxes next to each nbr1 thru nbr8Set nbr1 thru nbr8 as hiddenOn e...