No specific info about version 12.1. Please visit the main page of Equation Editor on Mac Informer.
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A powerful and feature-rich audio editor for Mac users.
Latexian is a handy LaTeX editor application for the Mac.
Enables performing various operations involving PDF documents.
The LaTeX Equation Editor provides an elegant graphical interface to LaTeX.
Scientific word processing and symbolic algebra system for Mac.
An equation editor mainly for use with Adobe InDesign software.