%%
%%  An UIT Edition example
%%
%%  Example 06-09-2 on page 103.
%%
%%  Copyright (C) 2010 Herbert Voss
%%
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%%
%%  See http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{375.57637pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\StartShownPreambleCommands
\usepackage{amsmath,txfonts}
\newcommand\CurveArrowLeftRight{%
 \ensuremath{\mathaccent\curvearrowright{\mkern-5mu\curvearrowleft}}}
\StopShownPreambleCommands
\begin{document}
{ \huge $\curvearrowleft\curvearrowright\CurveArrowLeftRight$ }
       $\curvearrowleft\curvearrowright\CurveArrowLeftRight$
\footnotesize $\curvearrowleft\curvearrowright\CurveArrowLeftRight$
\end{document}