Yes, you can. You can modify xepersian-mathsdigitspec to suit your needs.
bidi has nothing to do with font.
On Fri, Sep 23, 2011 at 6:46 PM, Nathan Sidoli <nathan.sid...@utoronto.ca>wrote:
> Is is possible to use Eastern Arabic numerals inside a math environment,
> say inside \frac{}{} (such as \frac{٥}{٢})? When I try this with unicode
> input, I get no errors, but blank output. When I enter a RL environment
> within \frac, using bidi, I get errors. (This must have something to do with
> \frac because I can generally use bidi within a math environment to get
> Easter Arabic numerals.)
>
> When I try to change the math environment's digits font for the whole text
> (say using \usepackage{mathspec} -> \setmathsfont(Digits){Some Arabic
> Font}), it uses the right font, but it uses the Western Arabic numeral set,
> not the Eastern Arabic set.
>
>
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