On Saturday, 17 September 2016 at 02:41:15 UTC, brocolis wrote:
How do I draw math formulas programmatically? I want to do on screen what latex does on .pdf.

And I want to draw a math formula in the image generated with ggplotd.

You can't at the moment. Parsing latex equations is not a trivial task.

One possible approach would be to convert part of the equations (greek alphabet etc.) to utf and use geomLabel to "simulate" sub/super script. One caveat with this is that I am not sure how well cairo(d) supports utf.

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