/usr/share/applications/EdenMath.desktop is in edenmath.app 1.1.1a-7.1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Type=Application
Version=0.94
Categories=Utility;Calculator;
Name=EdenMath
Comment=A Scientific Calculator
Icon=/usr/lib/GNUstep/Applications/EdenMath.app/Resources/EdenMath.tiff
Exec=EdenMath
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