This page (revision-50) was last changed on 03-Feb-2023 15:25 by Roland B. Wassenberg 

This page was created on 04-Oct-2012 10:01 by Carsten Strotmann

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Version Date Modified Size Author Changes ... Change note
50 03-Feb-2023 15:25 8 KB Roland B. Wassenberg to previous
49 03-May-2019 22:41 8 KB Roland B. Wassenberg to previous | to last
48 03-Jul-2017 11:25 8 KB Florian Dingler to previous | to last
47 27-Jun-2017 16:00 8 KB Roland B. Wassenberg to previous | to last
46 10-Dec-2016 19:03 8 KB Roland B. Wassenberg to previous | to last
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Page References

Incoming links Outgoing links
Atari Calculator
Atari Calculator

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Difference between version and

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the Atari Calculator is an advanced non-programmable as well as programmable calculator that supports RPN, ALG and ALGN calculation modes. Calculator goes far beyond the limits of Atari Basic’s mathematical capabilities, precision and has no bugs.
[{TableOfContents }]
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The Atari Calculator is an advanced non-programmable as well as programmable calculator that supports RPN, ALG and ALGN calculation modes. Calculator goes far beyond the limits of Atari Basic’s mathematical capabilities, precision and has no bugs.
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[{Image src='Calculator_selling.jpg' width=333 height=851 }]
[{Image src='Calculator_selling.jpg' width=334 height=852 }]
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!! Source Codes
* [Atari Calculator source code|Colleen_Calculator_source_code.txt] ; size: 295 KB ; Thank you so much Atari_Ace from AtariAge for your help in creating the code. We really appreciate your help, please go ahead! :-)))\\
* [Atari OS A Colleen Floating Point Routines|Colleen_Floating_Point_Routines.txt] ; size: 45 KB ; Thank you so much Atari_Ace from AtariAge for your help in creating the code. We really appreciate your help, please go ahead! :-)))\\
!! ROM-Image
* [Atari_Calculator.rom] ; Thank you so much Peter Dell for creating the ROM file. That was really a big one! :-)))
!! ATR-Images
Atari Calculator disk image: [Atari Calculator/Calculator.atr]\\
Atari Calculator disk image with CX85 driver: [Atari Calculator/Calculator-CX85.atr]\\
Atari Calculator disk images with colored versions: [Atari Calculator/Color.zip]\\
Atari Calculator disk image for the Commodore 64: [http://web.utanet.at/nkehrer/atari_calc.html]\\
Incredible porting from Dr. N. Kehrer, creator of the Atari Asteroids Emulator. Highly recommended!\\
!! Manuals
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Atari Calculator disk image: [Atari Calculator/Calculator.atr] \\
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Screen optimized manual (22 MB): [Atari Calculator/Atari_Calculator_Manual_Optimized.pdf]\\
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Atari Calculator disk image with CX85 driver: [Atari Calculator/Calculator-CX85.atr] \\
Printer optimized manual (117 MB): [http://strotmann.de/~cas/download/atari/Atari_Calculator_Manual_Original.pdf.gz]\\
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Atari Calculator disk images with colored versions: [Atari Calculator/Color.zip] \\ \\
Atari Calculator Cartridge Specifications from Carol Shaw from March 1979 (1.2 MB): [Atari_Calculator_Cartridge_Specifications.pdf]\\
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Atari Calculator disk image for the Commodore 64: [http://web.utanet.at/nkehrer/atari_calc.html] \\
Atari Calculator Cheat Sheet [Atari_Calculator-Cheat_Sheet.pdf] from [inverseatascii|https://inverseatascii.info/]
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Incredible porting from Dr. N. Kehrer, creator of the Atari Asteroids Emulator. Highly recommended! \\ \\
Screen optimized manual (22 MB): [Atari Calculator/Atari_Calculator_Manual_Optimized.pdf] \\ \\
Printer optimized manual (117 MB): [http://strotmann.de/~cas/download/atari/Atari_Calculator_Manual_Original.pdf.gz] \\ \\
Atari Calculator on the 14th Vintage Computer Festival Europe: [AtariCalculator-VCFe14] \\ \\
Atari Calculator on the 14th Vintage Computer Festival Europe: [AtariCalculator-VCFe14]\\
!! References
* [Atari Calculator source code|https://archive.org/details/ColleenCalculator] ; Thank you so much Harry & Kay for your help in getting the code. We really appreciate your help, please go ahead! :-)))\\
* [Atari 400-800 Operating System Source Listing of the floating point routines|https://archive.org/details/ColleenFloatingPointRoutines] ; Thank you so much Harry & Kay for your help in getting the code. We really appreciate your help, please go ahead! :-)))\\
* [WUDSN-site for Atari Calculator|http://www.wudsn.com/index.php/productions-atari800/tools] ; Highly recommended, not only for Calculator! Thank you so much Peter Dell!\\
* [AtariAge site on Calculator and Colleen Floating Point source codes|http://atariage.com/forums/topic/256541-colleen-floating-point-routines-and-colleen-calculator-source-code/] ; Thank you so much Atari_Ace from AtariAge for your help in creating the code. We really appreciate your help, please go ahead! :-)))
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Atari Calculator cartridge: The Atari Calculator was originally scheduled as a cartridge. Because Atari didn't managed it to sold this in 1979 and needed instead additionally 2 years to bring it out on diskette in 1981, we decided to honor the author of Calculator, Carol Shaw, with the creation of a cartridge label, which matches best to the design of those times. The next free CXL-number was assigned so, but you as the reader know, it should have been a CXL-number with a double zero "00" ;-). The creation of the label, it's accuracy, it's colors etc. would not have been possible without [Oliver Rapp|http://des-or-mad.net]. Oliver, we all thank you so much! Please go ahead with your outstanding work in graphics and design.
Atari Calculator cartridge: The Atari Calculator was originally scheduled as a cartridge. Because Atari did not manage it to sell this in 1979 and on top needed 2 more years to publish it on diskette in 1981, we decided to honor the author of Calculator, Carol Shaw, with the creation of a cartridge label, which matches best the design of those times. The next free CXL-number was assigned so, but you as the reader know, it should have been a CXL-number with a double zero "00" ;-). The creation of the label, its accuracy, its colors etc. would not have been possible without [Oliver Rapp|http://des-or-mad.net]. Oliver, we all thank you so much! Please go ahead with your outstanding work in graphics and design.
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Calculator after starting
Calculator after starting with $CA in $02C5 and $34 in $02C6
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Calculator with $0F in $02C5 and $00 in $02C6 \\
Calculator with $00 in Sector 6, Byte 17 from the Color.zip file above \\
Calculator with $00 in Sector 87, Byte 3F from "Calculator with CX85 black.atr" of the Color.zip file above \\
Calculator with $0F in $02C5 and $00 in $02C6
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"Atari Blue"-Calculator with $94 in Sector 6, Byte 17 from the Color.zip file above
"Atari Blue"-Calculator with $94 in $02C6
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Calculator with $90 in Sector 6, Byte 17 from the Color.zip file above
Calculator with $90 in $02C6
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Calculator with $C3 in Sector 6, Byte 17 from the Color.zip file above
Calculator with $C3 in $02C6
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Calculator with $46 in Sector 6, Byte 17 from the Color.zip file above
Calculator with $46 in $02C6
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Calculator with $FF in $02C5 and $00 in $02C6
Calculator with $FF in $02C6
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[{Image src='C64.jpg' width=446 height=279 }]
Precision of Commodore 64 Basic V2
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Precision of Calculator (1979) in comparison with MS Excel PC (2010) Mac (2011) (German edition)
Precision of Calculator (1979) in comparison with MS Excel PC (2010) Mac (2011) (German edition) ; In late 2015 Microsoft finally fixed the problem. Thank you Microsoft. :-)
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[{Image src='Programm2.jpg' width=390 height=240 }] \\ \\
[{Image src='Programm2.jpg' width=390 height=240 }]
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\\ \\ \\ \\
[{Image src='Anzahl_Befehle.jpg' width=535 height=240 }] \\ \\
\\ \\
[{Image src='Anzahl_Befehle.jpg' width=535 height=240 }]
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Author: Carol Shaw, creator of River Raid, 3D Tic-Tac-Toe and many other programs.
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[{Image src='Calculator_original_source_code_listing.jpg' width=800 height=534 }]
Calculator original source code listing (1979)
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[{Image src='Floating_Point_Routines_original.jpg' width=800 height=534 }]
Colleen original Floating Point Routines listing (1979)
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[{Image src='Carol.jpg' width=336 height=224 }]
Image of Carol Shaw when starting the cartridge
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[Author: Carol Shaw, creator of River Raid, 3D Tic-Tac-Toe and many other programs.|thanks#Carol Shaw]
This page (revision-50) was last changed on 03-Feb-2023 15:25 by Roland B. Wassenberg  Top