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 , u. k. , in the 60s and 70s. |
Be Calc «
http://www.devidts.com/be-calc/ | | Serge devidts' collection of vintage electronic calculators and some other pieces of old technology. |
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. |
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. |
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. |
Calculator Technical Information «
http://www.calcinfo.com/ | | Technical information about many calculators , including chip pinouts and self-test sequences , and patent information. |
Calculator's Pages «
http://www.calculators.szrek.com | | A collection of early mechanical calculating machines and other calculating devices. |
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. |
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. |
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. |
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. |
EEC - Early Electronic Calculator Technology Reference «
http://www.cs.ubc.ca/~hilpert/eec/ | | A source of information about the technology used in the construction of early electronic calculators. includes a reverse-engineering project. |
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. |
Gregory Escov's homepage «
http://members.tripod.com/GregEscov/ | | Some articles about russian made calculators , including undocumented features and error conditions. |
How to Collect LED Pocket Calculators «
http://www.ndirect.co.uk/~e.tedeschi/howto3.htm | | A guide by larry gilbert. |
