It's this part

A1:A10=""

it's what is called an array formula, you can lookup array formula in help

http://www.cpearson.com/excel/ArrayFormulas.aspx


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Regards,


Peo Sjoblom



"DW" wrote in message
...
Thanks everyone....

Now, this might be a dumb question, but why the ctrl+shift + enter combo
to commit the formula?


Don