Not really mate, it is used to coerce True/False arrays into 1/'0 arrays
which can then be summed.

--
HTH

Bob Phillips

(replace somewhere in email address with gmail if mailing direct)

"via135" wrote in
message ...

hi

the double unary "--" which converts text value into numeric
is mostly used for ignoring errors..!!

-via135



WBTKbeezy Wrote:
Hi, can anyone inform me the reason for using the "--" in formulas
(especially the sumproduct function)

Someone referred me to this link but I cannot decipher HOW the formula
works.

http://www.nwexcelsolutions.com/adva...ction_page.htm
(Question 1)

Thanks


--
via135
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