Thanks Mike, that was a great explanation.
"Mike H" wrote:
Stephen,
The use of Sumproduct and the double unary are explained here
http://www.xldynamic.com/source/xld.SUMPRODUCT.html
Mike
"Stephen Lloyd" wrote:
I was wondering if someone could explain to me how the --() syntax works.
Also the use of SUMPRODUCT((condition1)*(condition2)).