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

% Ex. No. 8 (Section  5.1.2 : Role of \tkzname{xstep} , \tkzname{ystep})

\begin{tikzpicture}
  \tkzInit[xmax=10,xstep=2,ymax=800,ystep=400]
  \tkzGrid
  \tkzAxeXY

\end{tikzpicture}

\end{document}