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Fortran is one of the earliest computer languages, and among the most influential. In comparison to COBOL and other early languages that have largely disappeared, Fortran remains in use to this day and sees continued development and standardization. For Atari users, it is more important as the basis for the BASIC language, which is essentially a cut-down interpreted (as opposed to compiled) version of Fortran66.
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!! Background
Fortran is one of the earliest programming languages, and among the most influential. [Basic] is a simplified, interpreted version of Fortran, sharing many of its constructs and commands. As of 2016, there is still no Fortran for the Atari 8 bit home computers, which is very sad, because Fortran remains important in scientific programming.
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Fortran was written to help write high-performance math programs for use in science and engineering. Early versions lacked many features found in other programs, most notably strings, as these were not needed in scientific programs. Fortran77 included most of these features and had parity with typical BASICs of that era. However, as a compiled language, it ran much faster than any BASIC available.
Fortran was intended to be used primarily for scientific mathematical processing, and it initially lacked any capability for strings and other common tasks. These were added over the years, and as a result the language began to grow. Early versions from the 1950s and 60s are quite small and could easily run on 8-bit machines, but later versions from the 1990s are more complex. The most practical version for 8-bit machines would be Fortran77, which would be very similar to most BASICs of the era.
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As of 2016, there is still no Fortran for the Atari 8 bit home computers, which is very sad, because in science, this language has played a big role. However, there was a Fortran for the Apple II written in 6502 assembly language. Maybe there will be a time, when we get the source code for this Apple version and can port this to the Atari? For the first step, AtariWiki has collected the info about Fortran for the Apple II, please see below. So, if there is anyone out there, who is in the possession of the original Apple II source code of Fortran, please be so kind and give it to us. Thank you so much in advance.
Abacus Fortran for C64 was released in 1988. Here we have a program running native in 6502 code. The question is: who can port this to the Atari?
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!!Infos
However, there was a Fortran for the Apple II written in 6502 assembly language. Maybe there will be a time, when we get the the source code for this Apple version and can port this to the Atari? For a first step in this case, AtariWiki has collected information about Fortran for the Apple II, see below. So, if there is anyone out there, who is in the possession of the original Apple II source code of Fortran, please be so kind and give it to us. Thank you so much in advance.
!! Infos
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!!Source Code
__Who can help us with the source code of the Apple II Fortran? AtariWiki really appreciate any help in this case. Thank you so much in advance. :-)__
!!FORTRAN via FujiNet adapter
In January of 2021 Thomas Cherryhomes realzied [FORTRAN on the Atari via the FujiNet adapter|https://www.youtube.com/watch?v=5XV_LuCw-JE]. Thom, the community is sooo deep in you debt, we deeply thank you so much from the heart! :-)))
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!!Images (for the Apple II)
!! Source Code
__Who can help us with the source code of the Abacus Fortran for C64 and Apple II Fortran? AtariWiki really appreciate any help in this case. Thank you so much in advance. :-)__
!!Images (for the Commodore 64)
* [Abacus Fortran for C64|https://www.lyonlabs.org/commodore/onrequest/collections.html] ; Thank you Lyonlabs for hosting! :-) We really appreciate your help
!! Images (for the Apple II)
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!!Manuals
!! Manuals
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* [Abacus Fortran for C64|https://www.lyonlabs.org/commodore/onrequest/collections.html] ; size: 29.7 MB ; Thank you Lyonlabs for hosting! :-) We really appreciate your help
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!!References
!! References
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!!Images
[{Image src='Apple-FORTRAN-Manual-cover.jpg' width=618 height=926 }]
Apple FORTRAN Manual cover from 1980\\
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!! Images
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[{Image src='Funktionen-F77.jpg' width=412 height=374 }]
FORTRAN 77 functions\\
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[{Image src='Fortran-Abacus.jpg' width=583 height=916 }]
Abacus FORTRAN for the Commodore C64 - Manual cover from 1988\\
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[{Image src='Fortran-C64.jpg' width=506 height=537 }]
Abacus FORTRAN for the Commodore C64 - from Bob Stover & Tim Adams from 1988\\
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[{Image src='abacus-fortran64-1.jpg' width=765 height=541 }]
Abacus FORTRAN for the Commodore C64 - 1st startscreen from 1986\\
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[{Image src='abacus-fortran64-2.jpg' width=767 height=542 }]
Abacus FORTRAN for the Commodore C64 - Main Menu from 1986\\
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[{Image src='Apple-FORTRAN-Manual-cover.jpg' width=618 height=926 }]
Apple FORTRAN Manual cover from 1980