Design Science MathType™ is a powerful interactive tool for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, and for TeX, LaTeX, and MathML documents. MathType is the professional version of the Equation Editor in Microsoft Office and many other products.

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 MathType's 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. We've added an enormous amount of functionality that effectively transforms Microsoft Word into a state-of-the-art math word processor and web page editor.

MathPage: Revolutionary New Technology for Publishing Math on the Web
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.