All codes for which input documentation is not explicitly mentioned below have some documentation in the header of the fortran sources. In the following, subdirectories containing examples are found in PP/examples/; ``Example N'' stands for subdirectory PP/examples/exampleN/.
All quantities whose dimensions are not explicitly specified are in RYDBERG ATOMIC UNITS. Charge is "number" charge (i.e. not multiplied by e); potentials are in energy units (i.e. they are multiplied by e).