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The Museum of HP Calculators - http://www.hpmuseum.org
Information about every HP calculator made since 1968. Includes photo gallery, old advertisements, operating instructions, pricing information and discussion forum. |
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Vintage Calculators - http://www.vintagecalculators.com/
A celebration of old calculators showing the evolution from mechanical calculator to hand held electronic calculator. |
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Mechanical Calculating Machines - http://www.webcom.com/calc/
Mechanical calculating machines from a collector's point of view, with articles and links to relevant sites. |
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Museum of Pocket Calculating Devices - http://www.calculators.de/
A gallery containing many varieties of pocket calculators, slide rules, and abacuses. |
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The Old Calculator Web Museum - http://www.oldcalculatormuseum.com
Photographs of the exterior and interior of many vintage mechanical and electronic calculators. Also includes vintage advertisements and technical literature. |
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Rick Furr's Calculator Reference Page - http://www.vcalc.net
A collection of information about HP, TI and Curta calculators. Includes articles and many related links. |
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The X-Number World of Calculators - http://www.dotpoint.com/xnumber
A collection of articles about the history of calculators, mechanical and electronic. Also, a number of on-line calculators, recommended books, and a vintage collectors forum. |
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Programmable Calculators - http://www.rskey.org/
A collection of programmable and non-programmable calculators and accessories, with articles and repair notes. |
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Calculator Technical Information - http://www.calcinfo.com/
Technical information about many calculators, including chip pinouts and self-test sequences, and patent information. |
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Texas Instruments 59 - http://www.ti59.com/index.html
All about the TI-59 programmable calculator, with photographs and information about accessories, documentation and programs. |
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Datamath Calculator Museum - http://www.datamath.org
An overview of the calculators manufactured by Texas Instruments Inc. from the famous Datamath (1972) to the modern Graphics calculators, with history and articles. |
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Soviet Calculators Collection - http://www.rk86.com/frolov/calcolle.htm
Pictures of calculators from the former USSR. Includes advertisements, articles, and a guestbook. English and Russian languages. |
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HP-41 Archive Site - http://www.hp41.org
A library of information about the HP-41 series calculators, with emulators, publications, FAQ, and related links. |
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Bring Back the HP 15C - http://hp15c.org/
Fans of the 15C want Hewlett-Packard to put it back in production. Find a list of reasons to bring it back, the reason it was discontinued in the first place, and an online petition. |
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Vintage Calculators - http://www.decodesystems.com/calculators.html
Information and lists of vintage and classic calculators, primarily Hewlett-Packard and Texas Instruments. |
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Calculator Collecting - http://k.webring.com/hub?ring=calculator
Webring designed to allow navigation between similar sites dealing with the hobby of collecting, and history of electronic calculators. |
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http://www.devidts.com/be-calc/ - http://www.devidts.com/be-calc/
Serge Devidts' collection of vintage electronic calculators and some other pieces of old technology. |
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Calculating Machines - http://www.calculi.nl/
The private collection of the Dutch collector Nico Baaijens of mechanical, electro-mechanical and electronic counting, adding and calculating machines. Many pictures and close-ups. |
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Soviet Calculators History - http://www.dotpoint.com/xnumber/russian_calcs.htm
Article about the history of the development of Soviet calculators, the features and interesting characteristics of the most relevant models are described. |
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Electronic Calculator History and Technology Museum - http://www.classiccmp.org/calcmuseum/calc.htm
Preserving the history of electronic calculators with information and photographs of early desktop and pocket calculators. |
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Old HP and TI Calculators - http://www.rskey.org/gene/hpgene/
Photographs and information about HP and TI calculators, including many programs. |
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Curta Calculating Machines - http://www.teleport.com/~gregsa/curta/
Links to useful sites about the Curta. Also documents the full disassembly of one, with pictures. |
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Museum of Soviet Calculators - http://www.taswegian.com/MOSCOW/soviet.html
Displays handheld and desktop calculators from the 1900s to the present, showing interesting features of each. |
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Collection of Calculators, Portable Computers and Vintage Electronics - http://web.tiscali.it/city/
Calculators from the '70s, and famous home and personal computers from '80s. Photos, historic information and links to other resources. |
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Stellatron Calculators - http://website.lineone.net/~lineup/st-pages/calcmain.html
An A-Z index of manufacturers, with product photographs, and a timeline of model releases. |
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Casio FX-700P Programmable Calculator - http://www.pisi.com.pl/piotr433/index.htm
Technical information about hardware, interfacing, and programming of this vintage device. Includes a construction project for a storage device to emulate the original FA-3 cassette interface. |
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Gregory Escov's homepage - http://members.tripod.com/GregEscov/
Some articles about Russian made calculators, including undocumented features and error conditions. |
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Using and Collecting HP Calculators - http://membres.lycos.fr/hpcalc/
Information about various HP calculator models, with photographs. Includes instructions on using some of the special functions of some models. |
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The Famous Slide Rule Page - http://www.geocities.com/ResearchTriangle/Forum/7787/sliderule_collecting.htm
Pictures and descriptions of The Castell Addiator and The Rapid-Calcolo. |
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Anita Calculator Simulators - http://www.lyvedon-way.fsnet.co.uk/calc/CALC.HTM
A collection of Sumlock Anita calculators and simulators, and related devices associated with the Sumlock factory in Portsmouth, UK, in the 60s and 70s. |