Sum all used cells in a column

How do I sum the value of all used cells in a column when the length of column (i.e. the number of rows) varies.

Hello,

=SUM(A:A) if you want to sum values of all cells in column A (and the formula is in some other column)
=SUM(A2:A1048576) if you want the sum in cell A1

Note LibreOffice’s internal bookkeeping of used cells avoids performance issues using these “oversized” ranges.

Hope that helps.

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Thank you for your response.
geoffL