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Posted to microsoft.public.excel.worksheet.functions
andyp andyp is offline
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Default can I write a function that automatically changes over time

I would like to create a function that changes every month. For example in
month 1 the formula would be SUM(A1:A1), in month 2 it would be SUM(A1:A2),
in month 3 SUM(A1:A3), etc...

there is data in all cells starting at the first month, so I cannot just sum
the column.

Any suggestions?