Perhaps a Pivot Table?
Example:
With this data in A1:C9
RUN SIZE QTY
1 1 2
1 2 3
1 3 3
1 4 5
2 2 2
2 2 3
2 3 1
2 5 1
Then....from the Excel Main Menu...
<Data><Pivot Table>
Use: Excel
Select your data
Click the [Layout] button
ROW:
-Drag the RUN field here
-Drag the SIZE field here, too
DATA:
-Drag the QTY field here
If it doesn't list as Sum of QTY...dbl-click it and set it to SUM
Click [OK]
Select where you want the Pivot Table...and you're done!
That will list the sum of each QTY for each SIZE within a RUM.
The end result of my example is this:
Sum of Qty
RUN SIZE TOTAL
1 1 2
2 3
3 3
4 5
2 2 5
3 1
5 1
To refresh the Pivot Table, just right click it and select Refresh Data
Is that something you can work with?
(Post back if you have more questions)
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