%% 
%%  A DANTE-Edition example
%% 
%%  Example 02-25-2 on page 102.
%% 
%%  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
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\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}

\usepackage{rccol} \newcommand\mc[2]{\multicolumn{1}{#1}{\ttfamily#2}}

\begin{document}
\begin{tabular}{| R-{1}{4} | R{1}{6} @{$\cdot10^1$\hspace{\tabcolsep}}
    | c | R[.][,]{3}{2} |}
\mc{|c|}{R-\{1\}\{4\}} & \mc{c|}{R\{1\}\{6\}} & c & \mc{c|}{R[.][,]\{3\}\{2\}}\\\hline
-2,71828 & 0,271828 & $\pi$ & 314.16\\  -0,21 & 0,21 & Q & 0.3\\
\end{tabular}
\end{document}