The grasp2K relativistic atomic structure package
Keywords: 2.70; 32.10.-f; 31.15Ne; 31.25.-v; 32.30.-rAtomic structure calculations; Breit interaction; Configuration interaction; Correlation; Dirac theory; Energy levels; Hyperfine structure; Isotope shift parameter; jj-coupling; Multiconfiguration Dirac–Hartree–F