Add-A-Mite Explained - Everything You Need To Know

Add-A-Mite Explained – Everything You Need To Know

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3 Facts About Add-A-Mite The design of Add-A-Mite is very similar to Webb Adder. This calculator is made from Aluminum, Iron, and Brass. This pocket calculator was manufactured by the company, Monogram of California Add-a-Mite History Far back into the past, written numbers used to be inexistent, with humans using only fingers and toes to […]

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Modern-day calculator

The History of Calculating Tools

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Since the dawn of time, the calculator has played an integral role in how the world functions. The calculation is key in regulating trade, determining the dimensions of land, and planning the construction of buildings, just to name a few essential uses. What’s more, early calculating devices eventually gave way to the first digital computers. […]

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Timeline

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People

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The history of technology has an incredible number of contributing people. While Charles Babbage (1791) is considered by many to be the ‘father of the computer’ for his creation of ‘the difference engine’, you could trace the true history of computing further back to Ramon Lull in 1275, or Leonard da Vinci in 1493.  From […]

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Analog computers 2

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At one time, when digital computers have not existed yet or they lacked sufficient performance, the analog computers were widely used (even the ancient Antikythera mechanism and the slide rule can be considered as analog computing devices). The advent and rapid progress of digital computers made analog computers largely obsolete in 1950s and 1960s, though […]

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Astrolabe

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4 Facts About Astrolabe An Astrolabe is an invention that generates results with the universe’s help. It uses the positions of the stars or the sun to calculate results. It was once used in navigation to assist explorers and sailors in navigation. They calculated the distance by measuring the distance between the sun and the […]

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Sector

Sector Explained – Everything You Need To Know

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Two Facts about Sector The sector is a military compass used as a calculating instrument.  Sector was introduced in the early 17th century and was used to perform easily diverse geometric and arithmetic operations. Sector History The Sector, also known as a compass of proportion, is a standard mathematical instrument that consists of two equal-length […]

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Chinese South Pointing Chariot, model Lanchester (© Science Museum of London)

South-Pointing Chariot Explained – Everything You Need To Know

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While many of our most essential and frequently used devices were invented in the past couple of centuries and are continually improved to bring them to where they are today, some were conceptualized far earlier than just the 19th century. As a matter of fact, some — such as the earliest forms of what would […]

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Vladimir Lukianov

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Hydraulic Integrator of Vladimir Lukianov Vladimir Sergeevich Lukianov (Владимир Сергеевич Лукьянов) was born in Moscow, on 17 March, 1902, in the family of an insurance agent. In 1919 he graduated from a Moscow classical high school and entered the building department of the Moscow State University of Railway Engineering. He graduated in 1925 and was […]

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Percy Ludgate

Percy Ludgate – Complete Biography, History, and Inventions

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Who was Percy Ludgate? Percy Ludgate, born on August 2, 1883, was an Irish amateur scientist popular for designing the second analytical machine in history. The analytical machine is now referred to as the general-purpose Turing-complete computer. Percy died on October 16, 1922, aged 39. Percy Ludgate, during his lifetime, was an interesting figure in […]

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Martin Wiberg – Biography, History and Inventions

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Martin Wiberg The Swede Martin Wiberg (September 4, 1826-December 29, 1905) was born in Viby, Scania. In 1845 he enrolled at Lund University to study medicine, but for financial reasons turned to the study of science and became a Doctor of Philosophy in 1850. He was very interested in printing business and wished to develop […]

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The difference engine

Pehr-Georg and Edvard Scheutz’s Differential Engine Explained – Everything You Need To Know

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2 Facts about Pehr-Georg and Edvard Scheutz’s Differential Engine The Differential Engine of Pehr and Georg was an extended, smaller, and better version of Charles Babbage’s Differential Engine. While Babbage’s engine cost 15000 pounds in 1829 “and was yet incomplete,” Scheutz stated that he could build a machine for 20000 riksdaller banco (about 1638 pounds) […]

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Old Mechanical Analog Computer

Analog Computer Explained: Everything You Need To Know

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What are Analog Computers: Complete Explanation A computer that processes analog data is known as an analog computer. Analog computers store information in physical quantities in a continuous format and use measurements to perform computation. Analog computers are suitable for measuring data that Analog computers cannot translate into numbers or codes. However, due to the […]

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Louis Couffignal – Biography, History and Inventions

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Louis Couffignal Louis Pierre Couffignal (1902-1966), a French Mathematician and Cybernetics pioneer, was born in Monflanquin, Fâcheries, on 16 March 1902, in a humble family: his father Guillaume Couffignal (born 1858), was a chief cantonnier, his mother, Marie Deroux-Couffignal (born 1871), was a tailor. After attending a primary school at Monflanquin, in 1913 Louis enrolled […]

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An assembly drawing of the machine from Essays on Automatics

Leonardo Torres’s Calculating Machine Explained – Everything You Need To Know

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3 Facts about Leonardo Torres y Quevedo’s Calculating Machine A model of Thomas de Colmar’s arithmometer, dating from 1820, is on display in the Torres Quevedo Museum. The world utilized it until the introduction of more complicated machines capable of more sophisticated computations in the 19th century. This calculating machine uses a straightforward approach to […]

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The History of Next Differential Engines

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History of Computers and Computing, Babbage, Next differential engines Next differential engines Inspired by the Differential engine of Babbage, several other inventors tried and managed to construct workable differential engines. Pehr Georg Scheutz and Edvard Scheutz Martin Wiberg George Grant Christel Hamann Alexander John Thompson

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Christel Hamann and his difference engine

Christel Hamann’s Differential Engine Explained: Everything You Need To Know

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3 Facts about Christel Hamann’s Differential Engine All its printed plates were given to Astronomisches Rechen-Institute in Berlin, and the first and second results were published in 1910 and 1911, respectively.  It was an invention built on the idea of two astronomers, Julius Bauschinger and Jean peters, who wanted to do a further mathematical calculation […]

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George Grant and Difference Engine

George Grant’s Difference Engine Explained — Everything You Need To Know

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3 Facts about George Grant’s Difference Engine George Grant’s difference engine was first displayed in 1876 at the Centennial Exhibition in Philadelphia. This difference engine was just one of the many calculation machines by inventor George Grant. George Grant also contributed to Botany, with a collection of previously undocumented plants at the Stanford University herbarium. […]

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Computer History – Personal Computers, Computing & Internet!

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  1812 Abraham Jakub Stern Around 1810, the Galician Jew Abraham Jakub Stern (1768-1842), a remarkable mathematician, inventor, translator, and censor, designed his first computing machine. In 1811 he sent a report to his patron Stanisław Staszic (1755-1826), outlining the device and asking for financial help, and the device was first presented to the public.. […]

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Differential Engine – History of Charles Babbage Differential Engine

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Charles Babbage, 1791-1871. Portrait from the Illustrated London News, Nov. 4, 1871 Differential Engine A numerical table is a tool designed to save the time and labour of those engaged in computing work. The oldest tables which are preserved, were compiled in Babylon in the period 1800-1500 B.C. They were intended to be used for […]

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General View of the Analytical Engine

Charles Babbage Analytical Engine Explained – Everything You Need To Know

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3 Facts about Charles Babbage Analytical Engine The Analytical Engine was a general-purpose, completely program-controlled, mechanical digital computer with no human intervention. The store intended to be large enough to contain 1,000 50-digit numbers, which was more than any computer constructed before 1960 could store. No evidence is there that anyone had ever thought about, […]

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The History of Louis Couffignal’s Analytical Machine

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ON A PROPOSED ANALYTICAL MACHINE by Percy E. Ludgate Read February 23. Ordered for Publication March 9. Published April 28, 1909 I purpose to give in this paper a short account of the result of about six years’ work, undertaken by me with the object of designing machinery capable of performing calculations, however intricate or […]

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The History of Babbage

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Some time in 1821, the young english mathematician Charles Babbage (biography), checking calculations for improving tables for a navigational book, and disappointed by numerous errors in these calculations, shared with a friend—”I wish to God these calculations had been executed by steam!”. It is quite possible, remarked his friend. It was during the course of […]

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