Typo in one of the range references:

LEFT(Overall!B1:B110="Cl"))

Should be:

LEFT(Overall!B1:B100="Cl"))

Biff

"Biff" wrote in message
...
Hi!

Try this:

=SUMPRODUCT(--(LEFT(Overall!B1:B110="Cl")),--(Overall!D1:D100=C2),Overall!H1:H100)

Biff

"roy.okinawa" wrote in message
...
Worksheet to input formula: Exception Sheet
Worksheet containing data to find/sum: Overall

I want to find on the Overall worksheet in column B any text beginning
with
Cl and in column D any number matching the number I type on the Exception
sheet in C2 . Then I want to match those finding against the number of
days
in shop, column H, of the Overall worksheet, and sum the days in shop.