Editing Calculator (section)

==External links==
{{Commons category|Calculators}}

* [http://sharp-world.com/corporate/info/his/h_company/1994/ 30th Anniversary of the Calculator] – From Sharp's web presentation of its history; including a picture of the CS-10A desktop calculator
* [http://www.hpmuseum.org The Museum of HP calculators] ([http://www.hpmuseum.org/prehp.htm Slide Rules and Mechanical Calculators section])
* [https://web.archive.org/web/20110720142104/http://www.spingal.plus.com/micro/ Microprocessor and single chip calculator history; foundations in Glenrothes, Scotland]
* [https://web.archive.org/web/20220211065021/http://home.citycable.ch/pierrefleur/Jacques-Laporte/HP%2035%20Saga.htm HP-35] – A thorough analysis of the HP-35 firmware including the Cordic algorithms and the bugs in the early ROM
* [http://www.anita-calculators.info/ Bell Punch Company and the development of the Anita calculator] – The story of the first electronic desktop calculator
* [https://web.archive.org/web/20220121122943/http://www.dentaku-museum.com/ Dentaku-Museum] {{in lang|ja}} – Shows mainly Japanese calculators but also others.

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[[Category:Calculators| ]]
[[Category:American inventions]]
[[Category:Mathematical tools]]
[[Category:Office equipment]]
[[Category:20th-century inventions]]
[[Category:Electronic calculators]]