Guy Ball - Collecting
Calculators The International Association of Calculator Collectors |
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Bruce Flamm The International Association of Calculator Collectors |
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Andrew
Davie Museum of Soviet Calculators on the Web |
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Douglas W. Jones Making New Battery Packs for the HP-35 Calculator |
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James Redin - The World of Calculators (USA) | |
David Hicks - Museum of HP Calculatorsr | |
Rick Furr - The Calculator Reference | |
Enrico Tedeschi - Radio historian, Writer & Collector | |
Larry Gilbert - Articles on Calculators | |
Harold Layer - Mind Machine Museum | |
Tom Welch - The Collectric | |
Dan Dotson and Marilyn Saul - D'Antiques, Ltd. | |
Erez Kaplan - Calculating Machines | |
Wlodek Mier-Jedrzejowicz - Collecting Calculators | |
Andrew Davie - MOSCOW | |
Gene Wright - Old HP and TI Calculators | |
Eiji Kako - Organizers and Handhelds | |
Bruce Rogers - N7TWB amateur radio repeater on 447.95 MHz | |
Peter Kernwein | |
Michael Sperber | |
Theo Lumens - Calculator Museum | |
Alex Knight - Calculator Technology Archive Page | |
Carl R. Friend - Minicomputers and Pocket Calculators | |
Frank Boehm - Calculators Gallery (Over 500 photos!) | |
Tom Conte - Strange hobby? You betcha. | |
Rick Bensene - Old Calculators | |
Moises Vilalta - Tinytron - Spain | |
Dan Bellander - My collection of HP calculators | |
Sergei Frolov - Soviet calculators | |
Eric Toonen - Eric's Pocket Calculator collection | |
Bill Wood, Buffalo, NY, USA THE BUFFALOCALCS.ORG COLLECTION OF VINTAGE CALCULATORS |
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Mark Greenia - LEXICON SERVICES Encyclopedia of Computer History |
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Pepe Tozzo - RetroKit - UK | |
Gerhard Wenzel's Museum of Pocket Calculating Devices | |
José
Manuel Pérez - Barcelona La Colección de Calculadoras de Xosé |
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Nigel Tout Vintage Calculators | |
Joerg Woerner - TI Museum | |
David May - Classic Collectors World | |
Chris Owen - Planet Sinclair | |
David Gowing - Stellatron - UK Collectable Electronica | |
Matthias Wehrli - Hewlett Packard Sammlung - Switzerland | |
Ernst
Mulder - Calculators Sweden |
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arcsin
(arccos (arctan (tan (cos (sin (9) ) ) ) ) ) |
Mike
Sebastian - Calculators
Technical Information. USA |
Malcolm - My Calculators | |
Emil
Dudek (UK) Vintage Technology |
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Daniel
Sancho (Málaga, Spain) Museillo de la evolución del cálculo y de la informática |
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Ervard
Gerard (France) La Maison des Calculatrices Classiques |
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Noël
Jouenne (France) Les calculatrices électroniques de poche sont nées au début des années 1970 |
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Paulo
Boselli
(Brazil) Brazilian's Calculator Museum |
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Philippe
Marmy
(Switzerland) Computissimo - Computer History Museum |
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Ugo
Mainieri
(Milano - Italy) La raccolta di strumenti di calcolo |
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Simon
and Amanda Southwell (UK) Anita Handheld Calculator Simulators |
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Serge
Devidts (Belgium) BE CALC |
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Josep
Balsac (Spain) De la Mano al Cálculo Electrónico |
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Nico Baaijens (Holand) Old Calculators - My Collection |
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Emil
Dudek (England) Vintage Technology |
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Noël
Jouenne (France)
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Rohit Menon
(India)
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Lamberto
Guerrero
(Spain)
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