You sure?

It worked fine for me.

"Rick Rothstein (MVP - VB)" wrote:

To SUM a range and ignore errors, use the following array formula

=SUM(IF(ISNUMBER(A1:A10),A1:A10))

This will return the SUM of A1:A10, ignoring error values.

Not entirely true... put =0/0 or =SQRT(-1) in one of the cells within the
range.

Rick

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Dave Peterson