You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria. Filters are a ...
How-To Geek on MSN
6 silent Excel spreadsheet killers (and how you can stop them)
Audit hidden data, filters, and hard-coded values to ensure your Excel spreadsheets are professional and precise.
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