Hi Mike,

Take a look at http://www.xldynamic.com/source/xld.SUMPRODUCT.html for more
than youn ever thought you needed :-)

--

HTH

RP
(remove nothere from the email address if mailing direct)


"Mike Fogleman" wrote in message
...
I have seen the use of (--) in formulas on this NG. What is it's purpose
and
applications?
Curious to learn..
Mike F