PEDIC-3D is a 3D gaphical periodic table application. PEDIC-3D can show the order of properties of elements with 3D graphics (Atomic mass, Atomic radius, First ionization energy, Pauling electronegativity). And PEDIC-3D has a database of elements.
[display handling]
1-finger drag: camera moving
2-finger drag : camera panning
Pinch gesture : camera zoom
Rotation gesture : camera rotation
Double tap : resetting camera position