When Calculator Was Invented
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Calculator - Wikipedia
- https://en.wikipedia.org/wiki/Calculator
- The Arithmometer, invented in 1820 as a four-operation mechanical calculator, was released to production in 1851 as an adding machine and became the first commercially successful unit; forty years later, by 1890, about 2,500 arithmometers had been sold plus a few hundreds more from two arithmometer … See more
Calculator | Definition, History, Types, & Facts | Britannica
- https://www.britannica.com/technology/calculator
- Modern calculators are descendants of a digital arithmetic machine devised by Blaise Pascal in 1642. Later in the 17th century, Gottfried Wilhelm …
The History Of The Calculator
- https://www.thecalculatorsite.com/articles/units/history-of-the-calculator.php
- The first mechanical calculator appeared in 1642, the creation of French intellectual and mathematics whizz kid Blaise Pascal as "a device that will eventually perform all four arithmetic operations …
The History of Calculators and William Seward …
- https://www.thoughtco.com/history-of-calculators-1991652
- Blaise Pascal (1623-1662): Blaise Pascal invented one of the first calculators, called the Pascaline, to help his father with his work …
Pascaline Calculator Explained — Everything You Need To Know
- https://history-computer.com/pascaline-calculator/
- The calculator was publicly presented in 1645. Blaise Pascal invented the machine to help his father complete tax computations more efficiently. Pascal was only …
Biography of Blaise Pascal, Inventor of the Calculator
- https://www.thoughtco.com/biography-of-blaise-pascal-1991787
- Updated on July 09, 2019. French inventor Blaise Pascal (June 19, 1623–Aug. 19, 1662) was one of the most reputed mathematicians and physicists of his time. He is credited with inventing an early calculator, …
The History Of The Calculator: When was the Calculator …
- https://edtechmagazine.com/k12/article/2012/11/calculating-firsts-visual-history-calculators
- The calculator cost $795 when it launched in 1974. In 1975, during the first joint U.S.-Soviet space flight, it became the first handheld calculator in outer space. Interesting Fact: Bill …
Mechanical Calculators - History-Computer
- https://history-computer.com/mechanical-calculators/
- The invention of the earliest mechanical calculators, notably Pascal’s calculator, was in the 17th century with the advent of the history of mechanical …
History of Electronic Calculators
- http://www.vintagecalculators.com/html/history_of_electronic_calculators.html
- Early 1960's -- Mechanical calculators, slide rules, or paper and pencil are the world's main methods of calculation. As was true in the 1940's and 1950's, early 1960's calculators …
Stepped reckoner - Wikipedia
- https://en.wikipedia.org/wiki/Stepped_reckoner
- The stepped reckoner or Leibniz calculator was a mechanical calculator invented by the German mathematician Gottfried Wilhelm Leibniz around 1672 and completed in 1694. …
When Calculator Was Invented & other calculators
Online calculators are a convenient and versatile tool for performing complex mathematical calculations without the need for physical calculators or specialized software. With just a few clicks, users can access a wide range of online calculators that can perform calculations in a variety of fields, including finance, physics, chemistry, and engineering. These calculators are often designed with user-friendly interfaces that are easy to use and provide clear and concise results.