MathType 5.1

Design Science MathType™ for Windows and Macintosh is a powerful interactive tool that will revolutionize the way you create print and web-based documents that contain math. MathType works with any word processor, presentation program, page layout program, HTML-authoring tool, plus other types of software, to create equations for research papers, class materials, web pages, slide presentations, journal articles and books.
MathType is the Professional Version of Equation Editor
If you are familiar with our Equation Editor included in Microsoft Office, AppleWorks and other products, then you will really appreciate MathTypes extra features. It will let you create a wider range of equations for a wider range of documents, and help you work much more efficiently. Weve added an enormous amount of functionality that effectively transforms Microsoft Word into a state-of-the-art math word processor and web page editor.
MathType includes our new MathPage™ technology that enables you to transform an entire Word document into a web page with equations that print and display beautifully in any modern Windows, Macintosh, Unix or Linux browser -- no existing product or technology yields better results or is easier to use.
Registered users of MathType 5.0 do not need to purchase MathType 5.1, its available for download free of charge.
Enhancements:
New Features in MathType 5:
- Hundreds of new symbols and templates
- MathPage: From Word to the Web
- Powerful tools for Microsoft Word and PowerPoint
- Customizable equation toolbar
- Color
- Customizable keyboard shortcuts
- Built-in translators for TeX, LaTeX and MathML
- Save equations as GIF images, EPS and PICT
- Batch equation export (EPS, GIF, PICT) from Word
- Automatic file numbering
- International character and keyboard support
- Insert Symbol dialog
- Extensive Unicode-based character database
- Drag & drop equation editing
Improved Features:
- Customizable function recognition
- Precise formatting ruler
- Add/delete rows & columns to a matrix
- Unlimited undo and redo
- Reset size command 
- Alignment options for parentheses, brackets, etc.
- Equation viewing features
- Improved define styles dialog
- New spacing dimensions
- Internet and web-savvy.