Fortran 2003 in Fortran Wiki

## Features ##
**Fortran 2003** is a significant revision of the [[Fortran 95]] standard.
Some of the major new features are
 * Parametrized derived types.
 * [[Object-oriented programming]]: type extension and inheritance, polymorphism, dynamic type allocation, and type-bound procedures.
 * [[Procedure pointers]].
 * [[C interoperability]].
 * [[OS integration]]: command-line arguments and environment variables.
 * [[IEEE arithmetic]]
 * [[Allocatable enhancements]]
## Compiler Compliance ##
See [[Fortran 2003 status]].
**gfortran**
See [GCC:Fortran2003](http://gcc.gnu.org/wiki/Fortran2003) and [GCC:Fortran2003Status](http://gcc.gnu.org/wiki/Fortran2003Status).
**Intel**
See the article on
[support for Fortran language standards](http://software.intel.com/en-us/articles/intel-fortran-compiler-support-for-fortran-language-standards).
**NAG**
[NAGWare f95 Compiler Release 5.2 Release Notes](http://www.nag.com/nagware/np/r52_doc/relnotes.html)
## See Also ##
* [[Fortran 2008]]
## Fortran 2003 Standard ##
Although the official Fortran 2003 standard must be purchased from the ISO, the Draft International Standard produced by the committee is freely available. This document is [ISO/IEC JTC1/SC22/WG5 N1601](ftp://ftp.nag.co.uk/sc22wg5/N1601-N1650/N1601.pdf.gz) (gzip compressed PDF) dated May 3, 2004 (the equivalent J3 document is [04-007](https://j3-fortran.org/doc/year/04/04-007.pdf)).
## References ##
 * [ISO/IEC JTC1/SC22/WG5 N1601](ftp://ftp.nag.co.uk/sc22wg5/N1601-N1650/N1601.pdf.gz)
 Fortran 2003 Draft International Standard.
 * Reid, John (2007).
 [The New Features of Fortran 2003](http://dx.doi.org/10.1145/1243413.1243415).
 *ACM SIGPLAN [[Fortran Forum]]* 26(1), 10-33.
 (Also available as [N1648](ftp://ftp.nag.co.uk/sc22wg5/N1601-N1650/N1648.pdf))
 * Reid, J. (2003).
 [The future of Fortran](http://dx.doi.org/10.1109/MCISE.2003.1208645).
 *Computing in Science & Engineering* 5, 59--67.
 * [Fortran 2003 extensions and the NAG Fortran Compiler](http://nag.com/nagware/NP/doc/nag_f2003.pdf)
 * [Fortran 2003 standard: which free document gets closest?](https://groups.google.com/d/topic/comp.lang.fortran/2r3NOSfuIXA/discussion) on [[comp.lang.fortran]].