One of the most hidden features in Word 2007 is the equation editor – it allows you to input equations using the linear format and the equations that are generated are truly visualizing appealing. There are some videos showing the use of equation editor, but I just see that Murray Sargent is the “star” in a new video walking through some complex equations and showing some of the other formatting/alignment features that are included. Silverlight version of Video Word 2007 Math Overview Murray Sargent: Math in Office
The rest is here:
Math and equations in Office