The Hermitech MathML Expression Editor, known also as Formulator, is a dynamic and intelligent mathematical equation editor designed for personal computers running MS Windows 98/2000/XP. This application allows to create mathematical equations through simple point-and-click techniques. Equations can be converted to/from Presentation, Content and Mixed Markups of MathML 2.0 and can be saved in several graphic file formats, ready to be imported into documents. Formulator comprises both a standalone application edition, that can be run as a separate program, and a component edition, that is, an ActiveX Control (or Automation Server), that can be incorporated into any ActiveX container (or Active Document container).