It depends on what you are doing.
=SUMIF(D1

11,">5")-SUMIF(D1

11,">10")
will sum all numbers from 5 to 10 in the range
=SUMPRODUCT((B1:B11="Sandy")*(C1:C11="Sulasno")*D1

11)
will sum every entry in D1

11 where there is an entry in Column B of
"Sandy" and an enrty of "Sulasno" in Column C
--
HTH
Sandy
In Perth, the ancient capital of Scotland
and the crowning place of kings
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