%%
%% A DANTE-Edition example
%%
%% Example 02-26-4 on page 105.
%%
%% 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[]{article}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\usepackage[utf8]{inputenc}
\usepackage[exponent-product=\cdot]{siunitx}
\sisetup{table-parse-only}
\usepackage{booktabs}
\begin{document}
\begin{tabular}{ S S[table-number-alignment=left]
S[table-number-alignment=right]}\toprule
\emph{centred} & \emph{left-aligned}
& \emph{right-aligned} \\\midrule
14.2 & 14.2 & 14.2 \\
1.23456 & 1.23456 & 1.23456\\
1.2e3 & 1.2e3 & 1.2e3\\\bottomrule
\end{tabular}
\end{document}