• Thumbnail for Sumlock ANITA calculator
    successful range of key-driven mechanical calculators of the Comptometer type under the names "Plus" and "Sumlock", since the 1930s. In 1956 the young graduate...
    18 KB (2,481 words) - 09:56, 10 May 2025
  • Thumbnail for Mechanical calculator
    mechanical calculators from 1901. In 1961, a comptometer type machine, the Anita Mk VII from Sumlock, became the first desktop mechanical calculator to receive...
    70 KB (9,298 words) - 00:32, 27 May 2025
  • Thumbnail for Calculator
    1961, the world's first all-electronic desktop calculator, the British Bell Punch/Sumlock Comptometer ANITA (A New Inspiration To Arithmetic/Accounting)...
    74 KB (8,430 words) - 00:44, 1 June 2025
  • experiment Sumlock ANITA calculator Analysing Interferometer for Ambient Air, a monitoring system used on the International Space Station Hurricane Anita, an...
    1 KB (184 words) - 19:51, 26 January 2025
  • Thumbnail for Comptometer
    first mechanical calculator to receive an all-electronic calculator engine in 1961, with the ANITA Mark VII model released by Sumlock Comptometer. This...
    18 KB (2,413 words) - 07:41, 25 January 2025
  • Thumbnail for Bell Punch
    transport ticket machines and the world's first desktop electronic calculator, the Sumlock ANITA. The company was established in July 1878 in order to acquire...
    4 KB (327 words) - 07:25, 17 January 2022
  • Thumbnail for Canon Inc.
    Canon Inc. (category Electronic calculator companies)
    introduced the first fully electronic calculator two years earlier with the Sumlock Anita Mark 8 unit. In 1965 Canon introduced the Canon Pellix, a single lens...
    49 KB (4,385 words) - 15:14, 30 May 2025
  • Sequence Calculator)* - Philips Technisch Tijdschrift Jaarg. 24 (1962) No. 4/5 "Rekengeluiden van PASCAL"" [PASCAL (Philips Automatic Sequence Calculator) *...
    27 KB (936 words) - 17:02, 30 April 2025
  • Maurice Wilkes (1913–2010). 1961: The Sumlock ANITA calculator, the world's first all-electronic desktop calculator, designed and built by the Bell Punch...
    160 KB (16,753 words) - 16:41, 24 May 2025
  • Thumbnail for List of British innovations and discoveries
    first rugged computer – Husky (computer) Sumlock ANITA calculator the world's first all-electronic desktop calculator – Bell Punch Co Sinclair Executive was...
    137 KB (13,549 words) - 09:02, 27 May 2025
  • Thumbnail for Dekatron
    homemade clocks. Electronics portal Sumlock ANITA calculator – The world's first desktop electronic calculators, which used Dekatrons WITCH – Early British...
    7 KB (697 words) - 21:38, 26 April 2025
  • Thumbnail for Victor 3900
    Victor 3900 (category Electronic calculators)
    was complete by late 1963, filling a room. That year, the tube-based Sumlock ANITA, one of the rumored UK machines, had reached the market. By this point...
    11 KB (1,355 words) - 07:23, 25 January 2025
  • use by United States Special Operations Forces Sumlock ANITA calculator Mk 12 (1966), a Sumlock ANITA desktop model Mark 12 or Mark XII, the twelfth chapter...
    2 KB (272 words) - 19:04, 24 October 2023
  • Thumbnail for Nixie tube
    establishments, and in many early electronic desktop calculators, including the first: the Sumlock-Comptometer ANITA Mk VII of 1961 and even the first electronic...
    22 KB (2,665 words) - 11:24, 28 May 2025
  • (1993–1998), an American personal luxury car Sumlock ANITA Mk VIII calculator (1961); a British desktop calculator with Nixie-type tube display Mark-8 (1974);...
    3 KB (415 words) - 19:06, 24 October 2023