Overview

This chapter discusses Compaq Fortran (formerly DIGITAL Fortran) standards conformance and language compatibility, and provides an overview of Fortran 95, Fortran 90, and High Performance Fortran features.

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.

For more information, see:

• Language Standards Conformance
• Language Compatibility
• Fortran 95 Features
• Fortran 90 Features