\input{preamble-standalone.ltx}
\begin{document}

% Ex. No. 4 (Section  5.2.1 : Origine personnalisée.)

\begin{tikzpicture}
  \tkzInit[xmin=20,
           xmax=50,
           xstep=10,
           ymin=5000,
           ymax=5150,
           ystep=50]
  \tkzAxeXY
  \tkzDefPoint(30,5100){A}
  \tkzDrawPoint(A)
\end{tikzpicture}

\end{document}
