i have a worksheet like this:

column c d e f

row 3 date number amount
row 4 08/31/2006 13610 294.96 @dsum($data,"amount",number=d4)

the data range contains this fields:

date number amount

if it contains number 13610, the function will return the amount

when i open it as an excel file the function returns #name? , how can i
create an
equivalent function in excel that will return the same result.

thanks a lot for your help