This chapter discusses Compaq Fortran standards conformance and language compatibility, and provides an overview of Fortran 95, Fortran 90, and High Performance Fortran features.
Figure 1-1 Graphic Representation of Compaq Fortran
Fortran 95 includes Fortran 90 and most features of FORTRAN 77. Fortran 90 is a superset that includes FORTRAN 77. Compaq Fortran fully supports the Fortran 95, Fortran 90, and FORTRAN 77 Standards.