When you need to do a quick calculation normally you would think to use the Windows calculator. However if youre working in Microsoft Word you can calculate simple equations typed into your document using Words not-so-obvious Calculate command. Double-click each field and check the Calculate on Exit checkbox.
Click Quick Access Toolbar from the menu pane.
To do this click inside the last cell in the fourth column click on Layout in the ribbon and then click on Formula at the far right. Follow these steps to perform mathematical calculations and tell Word how to format sums and products. When performing mathematical equations we usually turn to Excel but. Use Words formula feature to perform simple calculations.