MWE using pdflatex
(i.e., xelatex
not required) with selectlanguage
from the babel
package:
\documentclass[]{article}
\usepackage[utf8]{inputenc}
\usepackage[LAE,T1]{fontenc}
\usepackage[arabic,english]{babel}
\begin{document}
\selectlanguage{arabic}
النظر في الصيغة التالية:
\selectlanguage{english}
\begin{equation}
f(x)=x^2+\frac{1}{x^3}
\end{equation}
\selectlanguage{arabic}
المتغير
\selectlanguage{english}$x$\selectlanguage{arabic}والتربيعية
\end{document}
Result:
Note that you need a text editor that supports right-to-left script (the StackExchange website seems left-to-right oriented...) and utf8 encoding. If you use Ubuntu (etc.) you can install the texlive-lang-arabic
package with apt
. See also http://www.ctan.org/pkg/arabi.