Mathematica 7 enhances the Mathematica notebook experience in several ways, with new convenient usability features, new levels of automation for the form and structure of output, and new capabilities such as speech output.
New ► Styled Notebook — pick a notebook template from a gallery
Palettes ► Basic Math Assistant, etc. — new quick-start palettes
TraditionalForm (modified) — optimized heuristic ordering, tooltips, etc.
Placeholder — symbolic representation of a place to type into
Framed (modified)— draw frames with rounded corners
Rotate (modified) — rotate text outside of graphics
Hyperlink (modified) — display hyperlinks with different styles for active links
Speak — speak any expression, including math and diagrams
SpokenString — spoken representation of an expression