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. When you are happy with the layout click OK to build your table of equations. To use a built-in formula select Design Equation.
To create your own select Design Equation Ink Equation.
If you dont see what you want click on Insert New Equation at the bottom. Find the Equation icon p. To create your own select Design Equation Ink Equation. A list of equations will appear.