%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 6-7-20 on page 430.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  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{207.83385pt}
\StartShownPreambleCommands
\usepackage{pstricks-add,infix-RPN}
\usepackage{pst-func}
\StopShownPreambleCommands
\begin{document}
\SpecialCoor
\psset{yunit=0.25}
\begin{pspicture}(-0.25,-2)(5,22.5)
  \infixtoRPN{x*x}
  \multido{\rx=0.0+0.5}{10}{\rput(!
    /x \rx\space def
    \RPN\space x exch )%
      {\psPrintValue{\RPN}}}
  \psaxes[dy=5,Dy=5]{->}(5,22.5)
\end{pspicture}
\end{document}