Use
You can sum one or more columns in the list. The sums can be for value columns and for quantity columns. If you sum incompatible units such as kilograms and liters, a separate sum is shown for each unit.
You can display sums in multilevel sequential lists via column headers or via their subordinate rows.
Procedure
Displaying Sums
Note that the system can only sum columns containing values or quantities.
Deleting Sums

Depending on the list, the totals row may contain information in addition to that of the summation level, if a number of asterisks (*) are shown. The text can only be viewed if the lead column was wide enough when it was selected in the current layout (see
Depending on the list, the subtotals can also be shown above the totaled rows. This is only possible with single-level lists.