Laeqed la ked is a LaTeX equation editor specifically targeted at producing PNG images of math equations for use on web pages. If you want to write an entire document presentation article in TeXLaTeX its best to use a full editor. To create a 3x3 matrix equation in the LaTeX format type the following into a math zone.
Once youre satisfied you can just copy and paste the equation into your LaTeX document.
Tex2Img is a free online Latex equation editor that converts Latex equations to high resolution images to embed in documents and presentations. Invaluable for creating content for presentations in powerpoint and keynote. EqnEditor v5 beta for online mathematics - delivering millions of beautiful equations every day - Define equation with LaTeX markup. EqualX for Linux v042 EqualX is an interactive equation editor that helps you create mathematical notation for word processing web pages desktop publishing presentations elearning in LaTeX.