How to Perform Calculations in a Microsoft Word Table

1. Start Microsoft Word and open an existing document that contains a table in which you would like to perform calculations.
2. Use your mouse to click in the table cell where you would like the result of the calculation to appear.
3. Choose the 'Table' menu and then click on 'Formula...' to bring up the 'Formula' dialog box.
4. Look at the 'Formula:' textbox in the dialog box. Word may try to guess what formula you want to use for your calculation. If it is the correct formula, you can leave it in the box. If you want to use a different formula, highlight the formula (all except the equal sign) with your mouse and hit the 'Delete' or 'Backspace' key on your keyboard to delete the formula.
5. Select a function from the 'Paste function' drop-down menu to be used for your formula. The function will then appear in the 'Formula:' textbox followed by a set of parenthesis.
6. Type in the cell reference of the cells you want to be included in the formula inside the parenthesis that following your function in the 'Formula:' textbox.
7. Choose a format for the number that will be displayed in the 'Number format' box and then click okay to apply the formula to your Microsoft Word table.