<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\documentclass{ppex}
\nonstopmode
\usepackage {pstricks,pst-node}
\pagestyle{empty}

\begin{document}
\ResetPreambleCommands
\ReadyForTheFray
\usepackage {pstricks,pst-node}
\psset{framearc=.4}
\begin{psmatrix}[colsep=3]
 \pnode{A}&amp;\psframebox{Waiting} &amp; \psframebox{Calculating}
 \ncline[arrows=-&gt;]{1,1}{1,2}
 \psset{offset=-.1}
 \ncline[arrows=-&gt;]{1,2}{1,3}\naput{{\scriptsize TRIGGER/activated}}
 \psset{offset=.1}
 \ncline[arrows=&lt;-]{1,2}{1,3}\nbput{{\scriptsize [4,11]/finished}}
\end{psmatrix}
\end{document}
</pre></body></html>