There is a feature in Excel known as the Autosum which will start the SUM function and automatically select a range of cells near it to ad up. Also, in general terms spreadsheets are set for automatic recalculation which will happen for all calculations on a spreadsheet whenever any kind of change is made. So you could say Autosum or Automatic recalculation, depending on which way you mean.
Serial numbers. Or, generically for any spreadsheet, row headers.
False
close fit
No, the range automatically selected by Excel isn't always right. Excel doesn't know what the user wants to select, but chooses what might be appropriate, like the column of numbers above a SUM function. The user can go with what Excel has chosen, or choose their own cells.
Alignment.
relative cell address
They can be called a series.
speadsheet
A possible answer is text, numbers, and special characters.
Rows are identified by numbers in Excel.
By using the Autosum feature. Select the cell below the last number and click on the Autosum and it will automatically total the numbers in the column.
formula