This will display a Formula Dialog Box which will suggest a default formula which is SUM LEFT in our case. In older versions of Word this appears as the Layout tab of the Table Tools. Insert a formula in a table cell.
The Table Tools tabs become available.
Go to Insert tab. I have a Word 2007 form that our technicians will fill in it has content control fields from a mobile computer. SUM ABOVE The ABOVE parameter tells Word to add all the values above the current cell. Insert fractions using.