On the ribbon go to InsertEquation. Heres the ribbon in Word 2010 And here it is in Word 2007. Next go to the Home tab and from the Font dropdown select any font you like.
In the Design Window you have three Groups.
If you do not find the specified equation under Built-In just click More. This tutorial demonstrates how to write a math equation using Microsoft Word 2010. To obtain the math environment click on Equation on the Insert ribbon on Windows or Word for Mac 16 or in Document Elements on Word for Mac 11. Under Equation Tools on the Design tab in the Symbols group click the More button.