Mathedit
Rapid-Pi
Rapid-Pi is an add-on for Microsoft Word (and other word processors) that will transform the way you enter mathematical formulae, equations and expressions into documents. Rapid-Pi was designed with a single purpose in mind - to save you time when
MathMagic XTension v.2.5.4
MathMagic is the ultimate WYSIWYG equation editor for QuarkXPress.