\documentclass{article}
\usepackage[dvipsone]{insdljs}
\usepackage[testmode,quiet]{rangen}



\parindent0pt\parskip6pt

\begin{document}

\RandomZ[ne={0,-1}]{\n}{-2}{2}$x^{\efmt\n}$

\RandomZ[ne=\zZero]{\b}{-1}{1}
The value of \texttt{\string\b=\b} and should be
different from zero. Is it?

\RandomZ{\a}{1}{5}\RandomZ{\b}{\a*}{10}$ \a < \b $

\RandomZ{\a}{1}{5}\RandomZ{\b}{\a*}{10}$ \a \le \b $

\RandomZ{\a}{1}{5}\RandomZ{\b}{1}{\a*}$ \a > \b $

\RandomZ{\a}{1}{5}\RandomZ{\b}{1}{\a}$ \a \ge \b $

\RandomZ[ne=0]{\b}{-1}{1}Is \texttt{\string\b}=\b\space zero?

\RandomL{\a}{-2,4,6,-12,9,5,17}Select a number from a list \texttt{\string\a=\a}

\RandomS{\si}\RandomS{\sii}
\RandomZ[ne=0]{\a}{-5}{5}
\RandomZ[ne=0]{\b}{1}{5}
\RandomZ[ne=0]{\c}{1}{5}
\RandomZ[ne=0]{\n}{1}{5}

$ \cfmt\a x^{\efmt\n} \si \cfmt\b x \sii \c $


\end{document}
