LaTeX Equation Editor
LaTeX Equation Editor 1.3 for Mac is free to download from our application library. The most popular version among LaTeX Equation Editor for Mac users is 1.3. The actual developer of this free Mac application is J. McKenzie Alexander. The program lies within Audio & Video Tools, more precisely General.
From the developer:
The LaTeX Equation Editor provides an elegant graphical interface to LaTeX, a powerful typesetting engine for mathematics, enabling you to quickly generate professional-looking mathematics for inclusion in your slides. All equations are produced as single-page PDF files, so they can be smoothly resized and rotated like any other graphic object in Keynote.
You may want to check out more Mac applications, such as Daum Equation Editor, TexMaths or Texpad : LaTeX editor, which might be related to LaTeX Equation Editor.