MathType is supposed to be the most powerful and professional interactive mathematical formulas editor. It can help users easily insert complex mathematical expressions and symbols into all kinds of documents and apps (such as office documents, web pages, desktop publications, demonstrations, E-learning, Tex, LaTeX, MathML, etc.), and has been widely used in the education, teaching, scientific research institution, engineering, paper writing, typesetting, science test papers editing, and many other fields.