%% 
%%  An UIT Edition example
%% 
%%  Example 10-09-3 on page 217.
%% 
%%  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}}
\setcounter{equation}{25}
\renewcommand\theequation{10.\arabic{equation}}
\StartShownPreambleCommands
\usepackage{amsmath,array}
\newcommand*{\diff}{\mathop{}\!\mathrm{d}}
\StopShownPreambleCommands
\begin{document}
\begin{tabular}{|l|p{0.7\linewidth}|}\hline
p column\,\, & \begin{align} \oint E \diff s=0 \end{align}\\\hline
\end{tabular}\\
\begin{tabular}{|l|b{0.7\linewidth}|}\hline
b column\,\, & \begin{align} \oint E \diff s=0 \end{align}\\\hline
\end{tabular}\\
\begin{tabular}{|l|m{0.7\linewidth}|}\hline
m column & \begin{align} \oint E \diff s=0 \end{align}\\\hline
\end{tabular}
\end{document}