LaTeX math now works in ClickUp Docs. For inline math, type a backtick, then $E=mc^2$, then a backtick. For a centered equation, add a /code block, choose LaTeX and click Render Math. Steps: https://help.clickup.com/hc/en-us/articles/44981867929495-Add-math-equations-to-Docs-with-LaTeX. Thanks to everyone who voted for this.