>Cetin, I did as you suggested - and it works. However, I dont understand:
>a) why my use of variables did not work.
>b) where in the documentation I would find out how to use the (simpler) method you suggested.
>
>Thank you very much for the help. Denis

a) Not sure. One way I can think of you set it to sum in both report variable definition and field calculations.
b) Really I don't remember using it for too many years. Highly probable in report creation or something like that.
Cetin