Another common scenario is to hide or unhide formula bar automatically to force the workbook to keep that. You can also get this Show Formula bar option by clicking the File or Office button Options Advanced Display Show Formula bar. Type x into the equation box.
Click the OK button to apply your changes.
To insert table formulas in Word click into the table cell where you want to show the answer to the formula. Select the table cell where you want your result. Go to Insert tab and click Symbol button choose More Symbols in the drop-down box. To insert table formulas in Word click into the table cell where you want to show the answer to the formula.