Try writing in AsciiDoc
This is a Hugo article written in AsciiDoc.
Markdown Syntax comparison table between AsciiDoc and
Writing Latex formulas in Hugo
Writing formulas in Latex
Inline formulas: This is $E = mc^2, \frac{a}{b} = \sqrt{c}$
Block formulas: $$ E = mc^2, \frac{a}{b} = \sqrt{c} $$