The "Insert" tab.
Yes
Home tab/ font group
Click the Subscript button in the Font group of the Home tab.
Tab
Change case
Browser tabs are an alternative to separate windows.
For Excel 2007 it is on the Insert tab of the menu ribbon.
A font is how text looks. A font group is a group of letters that have the same font.
Press CMD+T when the page is open to bring up the font tab.
The the Group names included in the HOME Ribbon Tab include Clipboard, Font, Paragraph, Styles, and Editing. The Group names included in the HOME Ribbon Tab include Home, Insert, Page Layout, Formulas, Data, Review, References, Mailings, and View.
The Home tab.