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Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen. [2] He designed the machine to add and subtract two numbers ...
Roberto Rossellini directed a filmed biopic, Blaise Pascal, which originally aired on Italian television in 1971. [59] Pascal was a subject of the first edition of the 1984 BBC Two documentary, Sea of Faith, presented by Don Cupitt. The chameleon in the film Tangled is named for Pascal.
Pascal-P6 compiler is an extended version of Pascal adaption of Pascal-P5 according to the Pascaline language specification. Smart Mobile Studio is a Pascal to HTML5 / JavaScript compiler Turbo Pascal was the dominant Pascal compiler for PCs during the 1980s and early 1990s, popular both because of its powerful extensions and extremely short ...
The comptometer is the direct descendant of the key-driven machine of Thomas Hill [1] patented in the United States in 1857 and of the Pascaline invented by Blaise Pascal in France in 1642. By just replacing the input wheels of the Pascaline by the columns of keys of Hill's machine, the comptometer was invented.
Pascal invented his machine in 1642. In 1642, while still a teenager, Blaise Pascal started some pioneering work on calculating machines and after three years of effort and 50 prototypes [18] he invented a mechanical calculator. [19] [20] He built twenty of these machines (called Pascal's calculator or Pascaline) in the following ten years. [21]
The stepped reckoner or Leibniz calculator was a mechanical calculator invented by the German mathematician Gottfried Wilhelm Leibniz (started in 1673, when he presented a wooden model to the Royal Society of London [2] and completed in 1694). [1] The name comes from the translation of the German term for its operating mechanism, Staffelwalze ...
The cash register, invented by the American saloonkeeper James Ritty in 1879, addressed the old problems of disorganization and dishonesty in business transactions. [74] It was a pure adding machine coupled with a printer , a bell and a two-sided display that showed the paying party and the store owner, if he wanted to, the amount of money ...
1630: Slide rule: invented by William Oughtred [388] [389] 1642: Mechanical calculator. The Pascaline is built by Blaise Pascal. [390] 1643: Barometer: invented by Evangelista Torricelli, or possibly up to three years earlier by Gasparo Berti. [391] 1650: Vacuum pump: Invented by Otto von Guericke. [392] 1656: Pendulum clock: Invented by ...