=SUM(IF(ISNUMBER(A1:A20),ABS(A1:A20)))
which is an array formula, it should be committed with Ctrl-Shift-Enter, not
just Enter.
if it just blanks, not text, this will suffice
=SUM(ABS(A1:A20))
also an array formula
--
HTH
Bob Phillips
(replace somewhere in email address with gmail if mailing direct)
"George" <(E-Mail Removed)> wrote in message
news:C574AED5-C244-4133-94B7-(E-Mail Removed)...
> Hi.
> I would like to calculate (only in one cell) the sum of absolute values (
> ABS() ) of a column. The column includes positive and negative numbers and
> some blank cells. I would like to reject the non number cells.
> Is this possible?
> Th.
> p.s.
> Could a form of SUM ( SUMIF, SUMPRODUCT, e.g.) help?
>
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