/usr/share/menu/jfractionlab is in jfractionlab 0.91-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(jfractionlab):needs="X11" section="Applications/Education"\
title="jfractionlab" command="/usr/bin/JFractionLab" icon="/usr/share/pixmaps/jfractionlab_icon.xpm"
|