No specific info about version 12.0. Please visit the main page of Equation Editor on Mac Informer.
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This app helps you write math formulas on your Mac.
It is an equation editor mainly for use with QuarkXPress software.
The LaTeX Equation Editor provides an elegant graphical interface to LaTeX.
OpenOffice.org Math - Create equations and formulas for your documents.
Integrated equation editor for Adobe InDesign and InCopy.