Calculates subtotals for the columns that you select. LibreOffice uses the SUM function to automatically calculate the subtotal and grand total values in a labeled range. You can also use other functions to perform the calculation. LibreOffice automatically recognizes a defined database area when you place the cursor in it.
Data Entry Form is a tool to make table data entry easy in spreadsheets. With the Data Entry Form, you can enter, edit and delete records (or rows) of data and avoid horizontal scrolling when the table has many columns or when some columns are very wide.