Step 2 Now click the Layout tab and then click the Formula button. Insert a formula in a table cell. Step 1 Consider the following table with the total number of rows.
Sum an Entire Direction.
On the Layout tab under Table Tools click Formula. On the Table Tools Layout tab in the Data group click Formula. Position the cursor where you want to paste a formula. If you want to sum a row of a table in a Word document do as follow.