formula to follow preceeding value
Jepp
It's something like this "=SUM(R[-1]C)"
R = rows C= column and in this case the [-1] means current ROW -1 (but the same column :-)
"=SUM(R[-1]C[-1])" should thefore be one up and one left, and then you can add +1 or whatever....
Kjell
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