You can add a superscript or subscript in Word using the appropriate buttons in the Font section of the Home ribbon, or through a keyboard shortcut.

But you have to work to pick them. You can choose superscript (the upper number) and subscript (the lower) for numerals by using styling choices in Word or Pages.

Learn how to add superscript and subscript buttons to the toolbars in Word, PowerPoint, and Excel in both Office 2004 and 2008.