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+\documentclass{article}
+\usepackage[tight,designv]{web}
+\usepackage{insdljs}
+\usepackage[testmode,quiet]{rangen}
+
+\parindent0pt\parskip6pt
+
+\begin{document}
+
+\RandomR{\a}{-2.3}{2.3}\a
+
+\RandomL{\a}{17,\rPI,3/4,\rE,88,1/2}
+
+Choose at random a number from the list \verb!{17,\rPI,3/4,\rE,88,1/2}!:
+The choice is $\texttt{\a}$
+
+\rule{\linewidth}{.4pt}
+
+
+\defineR{\a}{-4.5}\defineR{\b}{5.343}
+
+\RandomR[round=2,showzeros]{\c}{\a}{\b}
+
+Random Real from the interval \texttt{[\a, \b ]} is \texttt{\c}
+
+\RandomR[round=2]{\a}{0}{10}\RandomR[round=2]{\b}{0}{12}
+
+\RandomR[round=2]{\c}{\a}{\b}
+
+A random Real taken from a random interval \texttt{[\a, \b ]} is \texttt{\c}
+
+
+\rule{\linewidth}{.4pt}
+
+
+\RandomR[round=2,showzeros]{\b}{0}{9.5}
+\RandomR[round=2]{\a}{-3}{\b}
+
+We require \verb!\b! to be greater than \texttt{\string\a}:
+$ \texttt{\string\b=\b} > \texttt{\a=\string\a} $
+
+$\texttt{\string\a}=\a\approx\nOf{\a}/\dOf{\a}$
+
+\end{document}