%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 5-7-6 on page 275.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% 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{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{207.0pt}
\StartShownPreambleCommands
\usepackage{dcolumn}
\newcolumntype{d}[1]{D{.}{\cdot}{#1}}
\newcolumntype{.}{D{.}{.}{-1}}
\newcolumntype{,}{D{,}{,}{2}}
\StopShownPreambleCommands
\begin{document}
\begin{tabular}{|d{-1}|d{2}|.|,|}
   1.2   & 1.2   &1.2      &1,2    \\
   1.23  & 1.23  &12.5     &300,2  \\
   1121.2& 1121.2&861.20   &674,29 \\
   184   & 184   &10       &69     \\
   .4    & .4    &         &,4     \\
         &       &.4       &
\end{tabular}
\end{document}
