Don't use SUM just add the values
=[TAKS]+[TAKS-Acc]
IF either value is blank (null) then the result will be blank (null).
'====================================================
John Spencer
Access MVP 2002-2005, 2007-2008
Center for Health Program Development and Management
University of Maryland Baltimore County
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> I have a subReport based on a Crosstab Query totaling up the number of
> students that test in multiple catagories. I am attempting to calculate a
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> I get the total of All the detail sections instead of just the sum from that
> detail line. Is there some way to just total the single line?