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Fortran 90 for the Fortran 77 Programmer

© 1993 and 1996, Bo Einarsson and Yurij Shokin

Version 2.3

This tutorial is written in order to ease the transition from the very common and popular programming language Fortran 77 to the more modern Fortran 90. This transition uses the fact that Fortran 77 is a pure subset of Fortran 90.

This HTML version can be used from both UNIX and Windows. It is recommended that the reader has the following features implemented in such a way that the following four fonts are easily distinguished: Bold font, Italic font, Courier or TTY font, and normal font. The Courier font is being used for all Fortran words and all code.

This hypertext version is available on the net as http://www.nsc.liu.se/~boein/f77to90/f77to90.html.

When reading a chapter (or appendix) the arrows at the bottom will bring you to the previous chapter, the tutorial home page (this page, at the start of the contents) or the next chapter.

Permission is granted to copy and/or print this hypertext as long as the copyright notice and this permission is included on all copies.

This material is also available (with some exceptions) as one book in Russian and a manuscript in Chinese.

A complete textbook in Swedish on Fortran 90/95 has been prepared, and is available both electronically in a hypertext version and in printed form.

Further information on Fortran 90 is available via Bo Einarsson's Fortran page.

Views, suggestions and corrections are most welcome for the next edition of this tutorial. The HTML version will be continuously updated.

Linköping and Novosibirsk, August 1993
Bo Einarsson and Yurij Shokin


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Last modified: December 21, 2006
boein@nsc.liu.se