You may also want to consider using $ in the formulae. A $ prefix fixes
that part of the cell reference
so a formula of =$A$10 will copy and paste (or drag) as $A$10.
Whereas =A$10 will go to B$10 C$10 etc
and
=$A10 will go to $A11 $A12 etc
hope this helps
--
tony h
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