You can read more about =sumif() in Excel's help or by visiting Debra
Dalgleish's site:

http://www.contextures.com/xlFunctions01.html#SumIf

"jeremy via OfficeKB.com" wrote:

Morrigan

Can you explain a little--I'm a newer user....

I know the category of each project number (5 categories). Each month we
have sales for several projects. I need to sum up the sales for each
category (industrial, oil/gas, etc) for the month. So i'll have 5 sums for
each month and one total sales sum....

Clear?

SUMIF -- how does this work....

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Dave Peterson