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

% Ex. No. 50 (Section  7.0.7 : With large intervals)

\begin{tikzpicture}
   \tkzInit[xmax=100,xstep=20,
            ymax=3000,ystep=1000]
   \tkzGrid[sub,subxstep=10,
                subystep=500,
                color=orange]
   \tkzAxeXY
\end{tikzpicture}

\end{document}