  We reanalyze the results of our extensive Hartree-Fock + BCS calculation from
new points of view paying attention to the properties of unstable nuclei. The
calculation has been done with the Skyrme SIII force for the ground and shape
isomeric states of 1029 even-even nuclei ranging 2 <= Z <= 114. We also discuss
the advantages of the employed three-dimensional Cartesian-mesh representation,
especially on its remarkably high precision with apparently coarse meshes when
applied to atomic nuclei. In Appendices we give the coefficients of
finite-point numerical differentiation and integration formulae suitable for
Cartesian mesh representation and elucidate the features of each formula and
the differences from a method based on the Fourier transformation.

Nuclear Theory