Fortran Wiki
Keywords

FORTRAN 77

The following keywords were defined in FORTRAN 77:

• access
• assign
• backspace
• blank
• block
• call
• close
• common
• continue
• data
• dimension
• direct
• do
• else
• endif
• enddo
• end
• entry
• eof
• equivalence
• err
• exist
• external
• file
• fmt
• form
• format
• formatted
• function
• go
• to
• if
• implicit
• include
• inquire
• intrinsic
• iostat
• logical
• named
• namelist
• nextrec
• number
• open
• opened
• parameter
• pause
• print
• program
• read
• rec
• recl
• return
• rewind
• sequential
• status
• stop
• subroutine
• then
• type
• unformatted
• unit
• write
• save

Fortran 90

The following keywords were added in Fortran 90:

• allocate
• allocatable
• case
• contains
• cycle
• deallocate
• elsewhere
• exit
• interface
• intent
• module
• only
• operator
• optional
• pointer
• private
• procedure
• public
• result
• recursive
• select
• sequence
• target
• use
• while
• where

Fortran 95

The following keywords were added in Fortran 95:

• elemental
• forall
• pure

Fortran 2003

The following features were added in Fortran 2003.

Keywords:

• abstract
• associate
• class
• decimal
• decorate
• delegate
• encoding
• endfile
• enum
• enumerator
• extends
• extensible
• flush
• generic
• iomsg
• import
• move_alloc
• nextrec
• non_overridable
• pass
• pending
• reference
• round
• sign
• static
• typealias

Attributes:

• asynchronous
• bind
• protected
• volatile

Modules:

• iso_c_binding
• iso_varying_strings
• iso_fortran_env
• ieee_arithmetic
• ieee_features