%% 
%%  Der Mathematiksatz mit LaTeX, 1. Auflage 2009
%% 
%%  Example 7-5-2 on page 142.
%% 
%%  Copyright (C) 2009 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.
%% 

\documentclass[]{ttctminimal}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{355.65944pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\StartShownPreambleCommands
\usepackage{array,mathabx}
\StopShownPreambleCommands
\begin{document}
\begin{tabular}{@{}*{3}{r@{\kern3pt}l}r@{\kern3pt}l@{}l@{}}
\mathsymbol{boxright}      \mathsymbol{ominus}
\mathsymbol{boxslash}      \mathsymbol{oplus}                           \\
\mathsymbol{boxtimes}      \mathsymbol{oright}
\mathsymbol{boxtop}        \mathsymbol{oslash}  \\
\mathsymbol{boxasterisk}        \mathsymbol{boxtriangleup}
\mathsymbol{otimes}             \mathsymbol{boxbackslash}\\
\mathsymbol{boxvoid}       \mathsymbol{otop}
\mathsymbol{boxbot}             \mathsymbol{oasterisk}\\
\mathsymbol{otriangleup}
\mathsymbol{boxcirc}            \mathsymbol{obackslash}    \mathsymbol{ovoid}                           \\
\mathsymbol{boxcoasterisk}      \mathsymbol{obot}
\mathsymbol{boxdiv}             \mathsymbol{ocirc}\\
\mathsymbol{boxdot}             \mathsymbol{ocoasterisk}
\mathsymbol{boxleft}            \mathsymbol{odiv}    \\
\mathsymbol{boxminus}           \mathsymbol{odot}
\mathsymbol{boxplus}            \mathsymbol{oleft}
\end{tabular}
\end{document}