STEAM_NBS is a FORTRAN77 library which contains the NBS steam table routines.
It contains routines for computing various physical properties of water, related to temperature, pressure and density. Most of these routines use a standard set of SI units.
STEAM_NBS is available in a FORTRAN77 version.
STEAM, a FORTRAN90 library which is based on the NBS steam table package;
STEAM_NBS_INTERACT, a FORTRAN77 program which queries the NBS steam table package;
TEST_VALUES, a FORTRAN90 library which stores selected test values of various functions, including certain functions approximated by the STEAM library.