%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                               
%            Shizuoka University 
%       ----KANEKO & YAMASHITA LAB.----
%        Author: TSUCHIYA, Toru
%     File Name: rensyu09.tex
% Last Modified: Wed, 06 Jun 2007 15:12:21 +0900
%                                               
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\documentclass[a4j]{jarticle}
\begin{document}

\begin{equation}
%                       !
\log(xy) = \log x + \log y
%      !
\end{equation}

%!!!!!!!!!!!!!
\end{document}

