If you need to insert an equation in Word position your cursor where you want the equation to appear and go to the Insert tab. On the Insert tab in the Symbols group click the arrow next to Equation and then click Insert New Equation On the. The ribbon is the horizontal menu between your document title and the.
To insert an equation using the keyboard press ALT and then type the equation.
To use a built-in formula select Design Equation. This will bring up the Formula dialog with a default of SUM LEFT. 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. First you need to insert an equation.