In the Field dialog
box, Field Category list, select Objects.
In Field Names, select
Formula.
To enter a formula, use any of the following
methods one or more times:
Click Average, Sum, or Count. The Field
dialog box closes temporarily. To specify a range, click inside
the first and the last cell. The result is appended to the formula.
Click Cell. The Field dialog box closes
temporarily. Select a cell in a table in the drawing. The cell address
is appended to the formula.
(Optional) Select a
format and a decimal separator.
Click OK.
To save your changes and exit the editor,
use one of the following methods:
Click OK on the toolbar.
Click in the drawing outside the editor.
Press CTRL+ENTER.
The cell displays the result of the calculation.
Shortcut menu: Select
and right-click a cell or range of cells. Click InsertFormula.