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MathType is the Professional Version of Equation Editor. If you are familiar with our Equation Editor included in Microsoft Office 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.

A Microsoft Account (Windows Live ID) is required to sign up for the Skype for Business Preview Program. If you need to create a new Microsoft Account, or link a login to your current business account, you can do that here.

Graphmatica is an equation plotter which supports five types of planar graphs (including polar, parametric, logarithmic, inequalites and limited implicit plots), plots planar vector fields and solutions of the corresponding differential equations, unlimited graphs on screen at once, saving setup information and lists of equations, flexible grid labeling, lock-on coordinate cursor and several ways to resize the grid. Its calculus options include symbolic differentiation, drawing of tangent lines, and numerical integration (you use a mouse to select points and areas). Offers on-line help and demonstration files. grmat36d.zip is the DOS version (3.60), grmat16w.zip is the Microsoft Windows 3.1 version (1.60), and grmat16n.zip is the 32 bit or win32 version (1.60). This is a fully functional shareware package.