dear all,

thanks in advance for ur help..

i have an excel sheet (monthly) that displays the daily order for each
customer during the whole month.

Meaning that, i have in the first column cust name, then i have a column
that calculates the total of each month for each customer, and in the
remaining columns i have the day's date, under which the number of order
placed bu the cust is inserted.

For months that have 30 days, the total sum formula works just fine. for
months that have 31 days, it gives me the following error:
more arguments have been specified for this function than are allowed in the
current file format.

i copied the file from a month that have 30 days and i added a new column
for the 31st day. i tried to insert the field of the 31st day in the function
manually. this is where i received the error.

any idea?

--
Croco