In this video you will learn how to build formulas in Word docume. Manual Input a Mean Symbol. Step 3 The Formula dialog box by default contains the formula Sum LEFT.
If the cell you selected is at the right end of a row of numbers Word proposes the formula SUM LEFT.
Click in a cell that should contain the sum of the rows. Click the Layout tab. To do this click the down arrow button on the right side of the Quick Access Toolbar and select More Commands from the drop-down menu. If the cell you selected is at the right end of a row of numbers Word proposes the formula SUM LEFT.