org-create-math-formula
org-create-math-formula is an interactive compiled Lisp function in `org.el
'.
(org-create-math-formula LATEX-FRAG &optional MATHML-FILE)
Convert LATEX-FRAG to MathML and store it in MATHML-FILE.
Use `org-latex-to-mathml-convert-command'. If the conversion is
sucessful, return the portion between "<math...> </math>"
elements otherwise return nil. When MATHML-FILE is specified,
write the results in to that file. When invoked as an
interactive command, prompt for LATEX-FRAG, with initial value
set to the current active region and echo the results for user
inspection.