F is a trademark of The Fortran Company.
F is a carefully crafted subset of the most recent version of Fortran, the world's most powerful numeric language. Teaching F provides two significant advantages:
F retains the modern features of Fortran--modules and data
abstraction, for example--but discards facilities such as
EQUIVALENCE, which are difficult to teach, use, or debug. It
is a safe and portable programming language. F may be used by
the Fortran 77 programmer as a transition to the new concepts
in Fortran 95.
F programs can call Fortran 77 programs, so legacy codes can be
used with new codes written in F.
F is a new programming language with a past and a future.
On the other hand, the current implementations of F have some special additional features, such as the ability to access command arguments and environment variables, the ability to call system to execute an operating system command, and some Fortran 2003 features.
F encourages Module-Oriented Programming. "An F module is
easy to code and understand. Compared to object-oriented
programming, module-oriented programming has all the reuse
without all the abuse," says David Epstein.
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