When Calculator 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
- In the very beginning, of course, was the abacus, a sort of hand-operated mechanical calculator using beads on rods, first used by Sumerians and Egyptians around 2000 BC. The Abacus: Bean …
The History of Calculators and William Seward Burroughs
- https://www.thoughtco.com/history-of-calculators-1991652
- William Seward Burroughs (1857-1898): In 1885, Burroughs filed his first patent for a calculating machine. However, his 1892 patent …
The Calculators Brief History: When was the calculator invented
- https://interestingengineering.com/innovation/brief-history-calculators
- The history of the calculator, or what we know of it, began with the hand-operated Abacus in Ancient Sumeria and Egypt in around 2000-2500 BC. These are very simple devices compared to modern ...
The History Of The Calculator: When was the Calculator First …
- 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. …
Biography of Blaise Pascal, Inventor of the Calculator - ThoughtCo
- https://www.thoughtco.com/biography-of-blaise-pascal-1991787
- 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, amazingly advanced for its …
Scientific calculator - Wikipedia
- https://en.wikipedia.org/wiki/Scientific_calculator
- The first scientific calculator that included all of the basic ideas above was the programmable Hewlett-Packard HP-9100A, released in 1968, though the Wang LOCI-2 and the …
Mechanical Calculators - History-Computer
- https://history-computer.com/mechanical-calculators/
- The 17th century was the beginning of the history of mechanical calculators, the first machine being Pascal’s calculator, which was invented in 1642. The …
History of Electronic Calculators
- http://www.vintagecalculators.com/html/history_of_electronic_calculators.html
- In December of 1972, TI files a patent application for the hand-held calculator with the inventors listed as Jack Kilby, Jerry Merryman, and James Van Tassel. HP introduces …
When Calculator 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.