To use sum variables choose: MenĂ¹: Project > Sum Variables Up to 25 sum variables are possible per project. The following logic applies for these sum variables: @SumXX = sum over previous record ” @SumXX ” is the sum variable in which the result of the addition is saved. For each record which has been printed, the Designer calculates the value from and adds it to the ” @SumXX “. To use sum variables of this kind (” @SumXX “) in project they must first of all be given the required numeric expressions. This is done with the command Project > Sum Variables In this dialog you will find a list with the sum variables ” @SumXX “. The corresponding variables or expressions have to be provided first because they form the basis of the addition. Select the sum variable ” @SumXX ” to which you wish to provide an expression and then click on the “Edit” button. You now have the dialog for the definition of expressions which has already been described. The easiest way is to simpl