To create commands, macros, formulas, latex equations, equation numbering, cirations, url-generated images, and bibliography in a collaborative Google doc, give a try to our Sketch-n-Script - Reversible Formulas extension for Google docs, made at the University of Chicago by me and Prof. Ravi Chugh:
Like this post if you like the idea of this extension, reply to it if you need help or have feedback.
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