After you insert the equation the Equation Tools Design tab opens with symbols and structures that can be added to your equation. Step 3. To begin launch Word 2010 document in which you want to calculate values using formula.
The process is as easy as creating an expression field and adding the formula field but somewhat hidden from the normal options Word gives you for using the mail merge fields.
Select the table cell where you want your result. Insert a formula in a table cell. Select the table cell where you want your result. The top box is for the formula you want to use the middle box is for the format you would like to have and the bottom box is if you wish to choose from a list of canned functions.