adndsymbol.tex

% process with LuaLaTeX file encoding is utf8

\documentclass[12pt]{article}

\usepackage{fontspec}
\setmainfont{Arial}
\setmonofont{Courier New Bold}

\usepackage{color}
\usepackage[dvipsnames]{xcolor}

\begin{document}

% unicode oriented ttf font 
%\setmainfont{IranNastaliq}

% ADND blog symbol - arabic/farsi text must end
% the line or the editor will break your parentheses
\Huge

$$ \textrm{\textcolor{Red}{ن
}}^2
\textrm{\textcolor{Green}{د
}}
\textrm{\textcolor{Blue}{ا
}}
$$ 

\normalsize

\end{document}