Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Calculator> ?p ?o }
- Calculator abstract "An electronic calculator is a small, portable electronic device used to perform both basic operations of arithmetic and complex mathematical operations.The first solid state electronic calculator was created in the 1960s, building on the extensive history of tools such as the abacus (developed around 2000 BC), and the mechanical calculator (developed in the 17th century). It was developed in parallel with the analog computers of the day.The pocket sized devices became available in the 1970s, especially after the first microprocessor developed by Intel for the Japanese calculator company Busicom. They later became commonly used within the Oil and Gas industry.Modern electronic calculators vary: from cheap, give-away, credit-card-sized models—to sturdy desktop models with built-in printers. They became popular in the mid-1970s (as integrated circuits made their size and cost small). By the end of that decade—calculator prices had reduced to a point where a basic calculator was affordable to most and they became common in schools. Computer operating systems as far back as early Unix have included interactive calculator programs such as dc and hoc, and calculator functions are included in almost all PDA-type devices (save a few dedicated address book and dictionary devices).In addition to general purpose calculators, there are those designed for specific markets; for example, there are scientific calculators which include trigonometric and statistical calculations. Some calculators even have the ability to do computer algebra. Graphing calculators can be used to graph functions defined on the real line, or higher-dimensional Euclidean space. Currently, basic calculators are inexpensive, but the scientific and graphing models tend to be higher priced.In 1986, calculators still represented an estimated 41% of the world's general-purpose hardware capacity to compute information. This diminished to less than 0.05% by 2007.".
- Calculator thumbnail SHARP_ELSIMATE_EL-W221.jpg?width=300.
- Calculator wikiPageExternalLink micro.
- Calculator wikiPageExternalLink ep.espacenet.com.
- Calculator wikiPageExternalLink HP%2035%20Saga.htm.
- Calculator wikiPageExternalLink 1994.
- Calculator wikiPageExternalLink things-that-count.com.
- Calculator wikiPageExternalLink www.anita-calculators.info.
- Calculator wikiPageExternalLink liste_calc.
- Calculator wikiPageExternalLink www.hpmuseum.org.
- Calculator wikiPageExternalLink prehp.htm.
- Calculator wikiPageExternalLink www.oldcalculatormuseum.com.
- Calculator wikiPageExternalLink calc.shtml.
- Calculator wikiPageExternalLink index.html.
- Calculator wikiPageExternalLink cmhistory.htm.
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- Calculator wikiPageRevisionID "707162718".
- Calculator wikiPageWikiLink 1642.
- Calculator wikiPageWikiLink 17th_century.
- Calculator wikiPageWikiLink 1960s.
- Calculator wikiPageWikiLink 1970s.
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- Calculator wikiPageWikiLink 2016.
- Calculator wikiPageWikiLink 20th_century_BC.
- Calculator wikiPageWikiLink APF_Electronics_Inc..
- Calculator wikiPageWikiLink ARM_architecture.
- Calculator wikiPageWikiLink Abacus.
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- Calculator wikiPageWikiLink Ancient_Egypt.
- Calculator wikiPageWikiLink Ancient_UNIX.
- Calculator wikiPageWikiLink Antikythera_mechanism.
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- Calculator wikiPageWikiLink Arithmometer.
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- Calculator wikiPageWikiLink Astronomy.
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- Calculator wikiPageWikiLink Branch_(computer_science).
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- Calculator wikiPageWikiLink Capacitor.
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- Calculator wikiPageWikiLink Category:American_inventions.
- Calculator wikiPageWikiLink Category:Calculators.
- Calculator wikiPageWikiLink Category:Mathematical_tools.
- Calculator wikiPageWikiLink Category:Office_equipment.
- Calculator wikiPageWikiLink Cathode_ray_tube.
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- Calculator wikiPageWikiLink Comparison_of_HP_graphing_calculators.
- Calculator wikiPageWikiLink Comparison_of_Texas_Instruments_graphing_calculators.
- Calculator wikiPageWikiLink Comptometer.
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- Calculator wikiPageWikiLink Computer.
- Calculator wikiPageWikiLink Computer_keyboard.
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- Calculator wikiPageWikiLink Computer_programming.
- Calculator wikiPageWikiLink Counting_board.
- Calculator wikiPageWikiLink Crank_(mechanism).
- Calculator wikiPageWikiLink Curta.
- Calculator wikiPageWikiLink Dc_(computer_program).