Package “gcu” has 6 man pages.
gchem3d(1) gchem3d is a small chemical viewer application, which can show several chemical file formats. gchempaint(1) gchempaint is a 2D chemical structures editor for the GNOME2 desktop. It is a multi document application. You can read different file types with gchempaint... gchemtable(1) gchemtable is a periodic table of the elements application. gcrystal(1) gcrystal is a light model visualizer for crystal structures, based on the GNOME Chemistry Utils, that displays models of all sorts of crystal microscopic... gspectrum(1) gspectrum is a simple spectrum visualizer. It is only able to display files in the JCAMP-DX format.