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searching for Mechanical calculator 62 found (165 total)

Charles Xavier Thomas (580 words) [view diff] exact match in snippet view article find links to article

patenting, and manufacturing the first commercially successful mechanical calculator, known as the Arithmometer. Additionally, he founded the insurance

Mauren (349 words) [view diff] exact match in snippet view article find links to article

the north of the country. It has a population of 4,401. The Curta mechanical calculator was produced by Contina AG, in Mauren. The municipality includes

Clifford Stoll (1,082 words) [view diff] exact match in snippet view article find links to article

non-specialist press (e.g., in Scientific American) on the Curta mechanical calculator and the slide rule, and is a frequent contributor to the mathematics

Z1 (computer) (1,313 words) [view diff] exact match in snippet view article

parents' home from 1936 to 1938. It was a binary, electrically driven, mechanical calculator, with limited programmability, reading instructions from punched

Willgodt Theophil Odhner (512 words) [view diff] exact match in snippet view article find links to article

which by the 1940s was one of the most popular type of portable mechanical calculator in the world. According to a brochure distributed by Odhner's company

Otto Steiger (engineer) (64 words) [view diff] exact match in snippet view article

is known for the invention and construction of the Millionaire mechanical calculator, the first commercially successful direct multiplication calculator

List of things named after Gottfried Leibniz (425 words) [view diff] exact match in snippet view article find links to article

a class of mechanical calculators Leibniz calculator, a digital mechanical calculator based on the Leibniz wheel In mathematics, several results and concepts

1592 in science (238 words) [view diff] exact match in snippet view article find links to article

established. April 22 – Wilhelm Schickard, German inventor of the first mechanical calculator (died 1635) May – Sir Thomas Cavendish, English explorer (born 1560)

Gambling in France (798 words) [view diff] case mismatch in snippet view article find links to article

Casinos Are Struggling Blackjack History Inventor of the Week: Mechanical Calculator "Pari-mutuel Tax". Archived from the original on 2012-09-20. Retrieved

Serial number (1,056 words) [view diff] exact match in snippet view article find links to article

number – System for identifying vehicles Arithmometer – 19th-century mechanical calculator patented by French inventor Thomas de Colmar – one of the first

Odhner (105 words) [view diff] exact match in snippet view article find links to article

Swedish zoologist who studied mollusks Odhner Arithmometer, a mechanical calculator invented by Willgodt Theophil Odhner AB Original-Odhner, a Swedish

Frank E. Webner (900 words) [view diff] case mismatch in snippet view article find links to article

Cincinnati, Ohio. Late in the 1900s Webner was employed by the American Mechanical Calculator Company. In the 1910s he became manager at J. Lee Nicholson & Co

Volvo RM12 (1,112 words) [view diff] exact match in snippet view article find links to article

50W a full authority digital engine control (FADEC) system with a mechanical calculator as seamless backup, and a completely redesigned, internally cooled

1938 in science (1,239 words) [view diff] exact match in snippet view article find links to article

Zuse in Berlin completes his Z1 computer, a floating point binary mechanical calculator with limited programmability, using Boolean logic and reading instructions

Landesmuseum Württemberg (672 words) [view diff] exact match in snippet view article find links to article

include a celestial globe of 1493 by Johannes Stöffler, an 11-digit mechanical calculator of 1774 by Philipp Matthäus Hahn (the first to build functional

Addition (9,554 words) [view diff] exact match in snippet view article find links to article

2700–2300 BC, when it was used in Sumer. Blaise Pascal invented the mechanical calculator in 1642; it was the first operational adding machine. It made use

Merle Louise (706 words) [view diff] exact match in snippet view article find links to article

Pennsylvania. After graduating high school, Louise began working as a mechanical calculator for the Lehigh Valley Railroad while also taking classes in New

Casio (1,387 words) [view diff] exact match in snippet view article find links to article

desk-sized calculator was finished in 1954 and was Japan's first electro-mechanical calculator. One of the central and more important innovations of the calculator

Accumulator (computing) (1,683 words) [view diff] exact match in snippet view article

Walther WSR-16 mechanical calculator. The row of digit-wheels in the carriage (at the front), is the Accumulator.

Ball detent (580 words) [view diff] exact match in snippet view article find links to article

of the blade when carrying. Ball detents were used in the Curta mechanical calculator to enforce discrete values. The term "ball detent" is also used

Earnshaw Cook (1,148 words) [view diff] exact match in snippet view article find links to article

Using tools of the time, such as a slide rule and a Friden STW mechanical calculator, Earnshaw Cook published the culmination of his work, Percentage

Largest known prime number (1,420 words) [view diff] exact match in snippet view article find links to article

89366574405864861512 64256610222593863921 1951 Aimé Ferrier with a mechanical calculator; the largest record not set by computer. 180×(M127)2+1 79 52106440156792287940

Computer (14,041 words) [view diff] exact match in snippet view article find links to article

Manchado, Cristina; Otero, Cesar (1 June 2022). "Torres Quevedo's mechanical calculator for second-degree equations with complex coefficients". Mechanism

List of computer scientists (5,208 words) [view diff] exact match in snippet view article find links to article

languages: ALGOL 60, BLISS, Pascal, Ada Philipp Matthäus Hahn – mechanical calculator Eldon C. Hall – Apollo Guidance Computer Wendy Hall Joseph Halpern

17th century (3,646 words) [view diff] exact match in snippet view article find links to article

a steel-wheel flint mechanism. 1642: Blaise Pascal invents the mechanical calculator called Pascal's calculator. 1642: Mezzotint engraving introduces

Orrery (3,031 words) [view diff] exact match in snippet view article find links to article

considered one of the first orreries. It was geocentric and used as a mechanical calculator to calculate astronomical positions. Cicero, the Roman philosopher

Somerset Space Walk (1,339 words) [view diff] exact match in snippet view article find links to article

1969, Youngman was approached by the Open University to adapt a mechanical calculator he had designed, originally prototyped in Lego, into a product suitable

Florence Nightingale David (1,614 words) [view diff] exact match in snippet view article find links to article

Correlation Coefficient. All the calculations were done on a hand-cranked mechanical calculator known as a Brunsviga. During World War II, David worked as an Experimental

Betsy Jochum (1,775 words) [view diff] exact match in snippet view article find links to article

operate the comptometer, the first commercially successful key-driven mechanical calculator. She was forced to take an employment in a meat packing house, and

List of inventors (12,070 words) [view diff] exact match in snippet view article find links to article

Odhner (1845–1903), Sweden/Russia – the Odhner Arithmometer, a mechanical calculator Paul Offit (born 1951), U.S., along with Fred Clark and Stanley

Bowser Manufacturing (1,234 words) [view diff] exact match in snippet view article find links to article

actual Union Pacific Railroad blueprints with the aid of an early mechanical calculator, Bowser recreated the 4-6-6-4 Challenger in HO scale. The end result

History of perpetual motion machines (3,809 words) [view diff] case mismatch in snippet view article find links to article

Press. pp. 180–182. MIT, "Inventor of the Week Archive: Pascal : Mechanical Calculator", May 2003. "Pascal worked on many versions of the devices, leading

Mechanical engineering (6,957 words) [view diff] exact match in snippet view article find links to article

Edmond Halley. Gottfried Wilhelm Leibniz, who earlier designed a mechanical calculator, is also credited with developing the calculus during the same time

Tübingen (5,134 words) [view diff] exact match in snippet view article find links to article

professor of Hebrew and astronomy, inventor of the world's first mechanical calculator, lived and died here Gottfried Heinrich Graf zu Pappenheim (1594–1632)

Science and technology in Spain (4,157 words) [view diff] exact match in snippet view article find links to article

IFMIF-DONES from 2030 onwards. Ramón Verea (1833–1899) created the first mechanical calculator capable of direct multiplication. Leonardo Torres Quevedo (1852–1936)

Kathleen Antonelli (2,777 words) [view diff] exact match in snippet view article find links to article

of the Moore School, the largest and most sophisticated analogue mechanical calculator of the time, of which there were only three in the United States

ENIAC (8,326 words) [view diff] exact match in snippet view article find links to article

scientific study, or an engineering project. They usually did so with a mechanical calculator. The women studied the machine's logic, physical structure, operation

Konrad Zuse (4,563 words) [view diff] exact match in snippet view article find links to article

he produced his first attempt, the Z1, a floating-point binary mechanical calculator with limited programmability, reading instructions from a perforated

List of prisoners of Buchenwald (934 words) [view diff] exact match in snippet view article find links to article

Herzstark inventor of the Curta calculator, hand-held, hand-cranked mechanical calculator Heinrich Eduard Jacob, German writer Paul-Émile Janson, Belgian

History of computer science (5,519 words) [view diff] case mismatch in snippet view article find links to article

Retrieved 2021-03-17. "History of Computing Science: The First Mechanical Calculator". eingang.org. Kidwell, Peggy Aldritch; Williams, Michael R. (1992)

Analog computer (7,033 words) [view diff] exact match in snippet view article find links to article

Manchado, Cristina; Otero, Cesar (1 June 2022). "Torres Quevedo's mechanical calculator for second-degree equations with complex coefficients". Mechanism

Prime number (14,279 words) [view diff] exact match in snippet view article find links to article

integers. A 44-digit prime number found in 1951 by Aimé Ferrier with a mechanical calculator remains the largest prime not to have been found with the aid of

Stabilised Automatic Bomb Sight (5,547 words) [view diff] exact match in snippet view article find links to article

a reference. When these figures were dialled into the system, a mechanical calculator moved the sights fore or aft to account for the wind, as well as

Olympia-Werke (1,813 words) [view diff] exact match in snippet view article find links to article

An Olympia mechanical calculator, c. 1950s

Torpedo Data Computer (3,426 words) [view diff] exact match in snippet view article find links to article

predicting where a target will be based on where it is now and was) or mechanical calculator/sights. These were often "woefully inaccurate", which helps explain

Charles Babbage (12,283 words) [view diff] exact match in snippet view article find links to article

intended to use loops of Jacquard's punched cards to control a mechanical calculator, which could use as input the results of preceding computations

English in computing (2,506 words) [view diff] exact match in snippet view article find links to article

outside of an English tradition, with Pascal inventing the first mechanical calculator, and Leibniz improving it. Interest in building computing machines

Project Space Track (4,370 words) [view diff] exact match in snippet view article find links to article

by hand using a Friden Square Root Calculator, the most advanced mechanical calculator then available. The method for computing ephemerides (documented

AN/APQ-7 (2,021 words) [view diff] exact match in snippet view article find links to article

operator calling information to the bombardier, who would use a simple mechanical calculator to time the drop. It was clear this was unsatisfactory, but with

ASV Mark III radar (8,635 words) [view diff] exact match in snippet view article find links to article

on the newer H2S, this adjustment was carried out with a simple mechanical calculator called the "height drum". As this was not needed for ASV, the range

Monrobot XI (2,066 words) [view diff] exact match in snippet view article find links to article

slightly-modified versions of mechanical desk calculators. Because the mechanical calculator-style keyboards could only generate decimal (base-10) codes, the

Leonardo Torres Quevedo (15,404 words) [view diff] exact match in snippet view article find links to article

Manchado, Cristina; Otero, Cesar (1 June 2022). "Torres Quevedo's mechanical calculator for second-degree equations with complex coefficients". Mechanism

List of multiple discoveries (11,157 words) [view diff] exact match in snippet view article find links to article

in 1936, Konrad Zuse tried to build a binary electrically driven mechanical calculator with limited programability; however, Zuse's machine was never fully

Battle off Samar (15,146 words) [view diff] exact match in snippet view article find links to article

director was pointed at the target, Japanese fire control relied on a mechanical calculator for ballistics and another for own and target course and speed,

List of Russian scientists (9,592 words) [view diff] exact match in snippet view article find links to article

Theophil Odhner, inventor of the Odhner Arithmometer, the most popular mechanical calculator in the 20th century 13- Alexey Pajitnov, inventor of Tetris 14-

IBM 1620 (7,897 words) [view diff] exact match in snippet view article find links to article

typewriter. These punched cards were then fed through an IBM 407 mechanical calculator which could be programmed to print two cards, thus being able to

List of German inventions and discoveries (19,858 words) [view diff] exact match in snippet view article find links to article

Christoph Rudolff 1611: Kepler conjecture by Johannes Kepler 1623: Mechanical calculator by Wilhelm Schickard Late 17th century: Calculus and Leibniz's notation

List of Russian people (22,856 words) [view diff] exact match in snippet view article find links to article

Theophil Odhner, inventor of the Odhner Arithmometer, the most popular mechanical calculator in the 20th century Alexey Pajitnov, inventor of Tetris Eugene Roshal

Bombsight, Pilot-Directing, Mark III (1,865 words) [view diff] exact match in snippet view article find links to article

estimates of these were entered, typically provided by the navigator. A mechanical calculator in the bombsight then begins moving the sighting telescope in such

List of women in mathematics (23,040 words) [view diff] exact match in snippet view article find links to article

symplectic geometry Naomi Livesay (1916–2001), human computer and mechanical calculator programmer for the Manhattan Project Klara Löbenstein (1883–1968)

Mechanical Engineering Heritage (Japan) (7,880 words) [view diff] exact match in snippet view article

(made in 1947 by Shinko Seisakusho Co.). – Iwate Prefecture No. 30: Mechanical calculator, (Yazu Arithmometer, patented in 1903). – Fukuoka Prefecture No

Deaths in October 1988 (3,993 words) [view diff] case mismatch in snippet view article find links to article

'Carry On' Movies. New York Times. Retrieved 12 Jun 2024. Hand-held Mechanical Calculator. University of N.S.W.. Retrieved 12 Jun 2024. John Thomas (Jack)