How to count the number of cells in a particular column in an excel sheet?

How to count the number of cells in a particular column in an excel sheet?

I have tried shift key and selected the cells which we do normally in MS Office normally ,but it turned to be different in libre office

Can anyone help me ?

A quick way to count is using the functions at the bottom of the spreadsheet:

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“Count” counts only cells with numerical entries
“CountA” counts cells with alphanumerical entries.

Please also have a look in the help file using the search term “count”