but not the earlier Fortran 66 aka Fortran IV and the later standards Fortran 95, 2003, 2008, and Fortran 2018. Numerous Fortran 95 compilers exist, and Cray, gfortran, IBM, Intel, and NAG have implemented much of Fortran 2008, according to http://fortranwiki.org/fortran/show/Fortran+2008+status .
fortran-77 pl 1977 fortran-8x pl 1989 fortran-90 pl 1990
but not the earlier Fortran 66 aka Fortran IV and the later standards Fortran 95, 2003, 2008, and Fortran 2018. Numerous Fortran 95 compilers exist, and Cray, gfortran, IBM, Intel, and NAG have implemented much of Fortran 2008, according to http://fortranwiki.org/fortran/show/Fortran+2008+status .