• Thumbnail for Arithmometer
    The arithmometer (French: arithmomètre) was the first digital mechanical calculator strong and reliable enough to be used daily in an office environment...
    30 KB (3,856 words) - 20:31, 15 May 2025
  • Thumbnail for Mechanical calculator
    arithmometer was the only type of mechanical calculator available for sale until the industrial production of the more successful Odhner Arithmometer...
    70 KB (9,298 words) - 21:19, 14 May 2025
  • Thumbnail for Charles Xavier Thomas
    the first commercially successful mechanical calculator, known as the Arithmometer. Additionally, he founded the insurance companies Le Soleil and L'aigle...
    5 KB (580 words) - 02:53, 14 April 2025
  • Thumbnail for Odhner Arithmometer
    The Odhner Arithmometer was a very successful pinwheel calculator invented in Russia in 1873 by W. T. Odhner, a Swedish immigrant. Its industrial production...
    6 KB (625 words) - 08:10, 25 January 2025
  • Thumbnail for Leibniz wheel
    Thomas de Colmar when he used it, a century and a half later, in his Arithmometer, the first mass-produced calculating machine. It was also used in the...
    7 KB (812 words) - 07:10, 25 January 2025
  • Thumbnail for Willgodt Theophil Odhner
    working in St. Petersburg, Russia. He was the inventor of the Odhner Arithmometer, which by the 1940s was one of the most popular type of portable mechanical...
    5 KB (512 words) - 08:12, 25 January 2025
  • Thumbnail for Pinwheel calculator
    extremely popular with the success of Thomas' Arithmometer (manufactured 1850s) and Odhner Arithmometer (manufactured 1890s). In "Machina arithmetica...
    10 KB (1,108 words) - 07:09, 25 January 2025
  • Thumbnail for Burroughs Corporation
    business equipment. The company was founded in 1886 as the American Arithmometer Company by William Seward Burroughs. The company's history paralleled...
    30 KB (3,314 words) - 13:22, 11 February 2025
  • Thumbnail for American Arithmometer Company
    The American Arithmometer Company was an American manufacture organized in St. Louis, Missouri in 1886 by William S. Burroughs that produced adding machines...
    12 KB (1,214 words) - 02:10, 12 November 2023
  • Thumbnail for Computer
    100th anniversary of the invention of the arithmometer, Torres presented in Paris the Electromechanical Arithmometer, which allowed a user to input arithmetic...
    140 KB (14,125 words) - 01:41, 18 May 2025
  • Theophil Odhner (1845–1905), Swedish engineer and inventor of the Odhner Arithmometer working in Russia Nils Johan Teodor Odhner (1879–1928), Swedish arctic...
    1 KB (105 words) - 19:20, 26 October 2019
  • Thumbnail for Adding machine
    mechanical calculator industry in 1851 when he released his simplified arithmometer (it took him thirty years to refine his machine, patented in 1820, into...
    9 KB (1,208 words) - 03:10, 14 April 2025
  • Thumbnail for Calculator
    forty years later, by 1890, about 2,500 arithmometers had been sold plus a few hundreds more from two arithmometer clone makers (Burkhardt, Germany, 1878...
    74 KB (8,430 words) - 20:36, 15 May 2025
  • Thumbnail for Pascaline
    multiplication feature to the Pascaline. In 1820, Thomas de Colmar designed his arithmometer, the first mechanical calculator strong enough and reliable enough to...
    51 KB (5,646 words) - 23:28, 4 May 2025
  • Thumbnail for Computer science
    100th anniversary of the invention of the arithmometer, Torres presented in Paris the Electromechanical Arithmometer, a prototype that demonstrated the feasibility...
    72 KB (6,673 words) - 05:26, 18 April 2025
  • Thumbnail for Comptometer
    was the first machine in production to challenge the supremacy of the arithmometer and its clones; but not immediately, it took almost three years to sell...
    18 KB (2,413 words) - 07:41, 25 January 2025
  • Thumbnail for Analytical engine
    100th anniversary of the invention of the arithmometer, Torres presented in Paris the electromechanical arithmometer, which consisted of an arithmetic unit...
    43 KB (3,896 words) - 07:25, 17 April 2025
  • Thumbnail for Information Age
    Industrial Revolution had produced mass-market calculators like the arithmometer and the enabling technology of the punch card. Charles Babbage proposed...
    100 KB (10,526 words) - 16:33, 19 May 2025
  • Thumbnail for Gottfried Wilhelm Leibniz
    calculator in 1685 and invented the Leibniz wheel, later used in the arithmometer, the first mass-produced mechanical calculator. In philosophy and theology...
    155 KB (19,219 words) - 11:42, 13 May 2025
  • Thumbnail for Serial number
    fallback Vehicle identification number – System for identifying vehicles Arithmometer – 19th-century mechanical calculator patented by French inventor Thomas...
    9 KB (1,082 words) - 09:08, 27 April 2025
  • Thumbnail for Stylus (computing)
    stylus was used to turn the dials. Later devices of this type include the Arithmometer, in the 1860s; and the Addiator, in 1920. The Addiator was a pocket mechanical...
    9 KB (918 words) - 01:51, 10 October 2024
  • A Walther WSR160 arithmometer from 1960. Each turn of the crank handle adds (up) or subtracts (down) the operand set to the top register from the value...
    13 KB (1,788 words) - 11:25, 10 April 2025
  • Thumbnail for William Seward Burroughs I
    banking industry, and adoption spread. Burroughs founded the American Arithmometer Company in 1886. After his death, in 1904 partner John Boyer renamed...
    6 KB (618 words) - 19:50, 22 January 2025
  • Thumbnail for Fuller calculator
    restricted to addition and subtraction with only advanced versions, like the Arithmometer, able to multiply and divide. Even these advanced machines could not...
    36 KB (3,692 words) - 16:07, 7 April 2025
  • Thumbnail for Sputnik 1
    the launch vehicle and the satellite were initially calculated using arithmometers and six-digit trigonometric tables. More complex calculations were carried...
    79 KB (8,409 words) - 23:57, 17 May 2025
  • Thumbnail for Musée des Arts et Métiers
    1908 Louis Charles Breguet, 1911 Hispano Suiza 1935 Grand Staircase Arithmometer - calculating machine c. 1850 Peugeot 1909 at the Musée des Arts et Métiers...
    7 KB (603 words) - 21:59, 25 April 2025
  • Thumbnail for Marchant Calculating Machine Company
    reputation for reliability. First models were similar to the Odhner arithmometer. In 1918, employee Carl Friden designed a new model in response to patent...
    6 KB (758 words) - 22:36, 9 January 2024
  • Thumbnail for Floating-point arithmetic
    entered through a typewriter, as was the case of his Electromechanical Arithmometer in 1920. In 1938, Konrad Zuse of Berlin completed the Z1, the first binary...
    119 KB (14,230 words) - 21:43, 8 April 2025
  • Thumbnail for Abacus
    the 1990s. Even the 1874 invention of mechanical calculator, Odhner arithmometer, had not replaced them in Russia. According to Yakov Perelman, some businessmen...
    51 KB (5,960 words) - 18:08, 9 May 2025
  • Thumbnail for Machine
    none of the larger designs were completed in Babbage's lifetime. The Arithmometer and the Comptometer are mechanical computers that are precursors to modern...
    57 KB (6,399 words) - 01:32, 4 May 2025