Hi Howard,

Am Thu, 17 Jul 2014 02:45:01 -0700 (PDT) schrieb L. Howard:

The one you offer up returns #VALUE error.

Could that be because it refers to columns with dates in then?

no, the formula is tested and it works.
I guess your data has wrong formats.
Can you send me the file?


Regards
Claus B.
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Vista Ultimate / Windows7
Office 2007 Ultimate / 2010 Professional