I am trying to sum all the matches of a cell from another sheet.
=INDEX(eBIAMT,SMALL(IF(eBIOPPS=$B2,ROW(eBIOPPS)-ROW(INDEX(eBIOPPS,1,1))+1),L2))
eBIAMT is in sheet1 and it is column B
eBIOPPS is in sheet1 and it is in column A
$B2 is an OPPid that will or will not exists in eBIOPPS and could...