PSI/88 Version 1.0 by W. L. Jorgensen & D. L. Severance To plot wavefunctions in three dimensions from semi-empirical and most popular ab initio basis sets. Valence semi-empirical, STO-3G, 3-21++G(*) and 6-31++G(d,p) basis sets are implemented for atoms H-Ar. WWW: http://zarbi.chem.yale.edu/programs/psi88.html