Hi,
I'm using the following formula which works fine. "_1" is the name of the array being referenced, and is also typed as a value in cell C4.
=INDEX(_1,MATCH($A7,'1'!$A:$A,0),MATCH($C$3,'1'!$6:$6,0))
As I mentioned the array name "_1" is hard keyed into cell C4. The following, almost...