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  2. List of IBM products - Wikipedia

    en.wikipedia.org/wiki/List_of_IBM_products

    Products, services, and subsidiaries have been offered from International Business Machines (IBM) Corporation and its predecessor corporations since the 1890s. [1] This list comprises those offerings and is eclectic; it includes, for example, the AN/FSQ-7, which was not a product in the sense of offered for sale, but was a product in the sense of manufactured—produced by the labor of IBM.

  3. Unit record equipment - Wikipedia

    en.wikipedia.org/wiki/Unit_record_equipment

    This elementary introduction to punched card systems is unusual because unlike most others, it not only deals with the IBM systems but also illustrates the card formats and equipment offered by Remington Rand and Underwood Samas. Erwin Tomash Library; IBM (1936) Machine Methods of Accounting, 360 p. Includes a 12-page 1936 IBM-written history ...

  4. Tabulating machine - Wikipedia

    en.wikipedia.org/wiki/Tabulating_machine

    Dating to 1928, this machine exemplifies the transition from tabulating to accounting machines. The Type IV could list 100 cards per minute. H.W.Egli - BULL Tabulator model T30, 1931 IBM 401: The 401, introduced in 1933, was an early entry in a long series of IBM alphabetic tabulators and accounting machines.

  5. IBM 407 - Wikipedia

    en.wikipedia.org/wiki/IBM_407

    The 407 itself was adapted as an input/output unit on the IBM 650. Later, the 407 print mechanism was used in the IBM 1132 line printer, part of the low cost IBM 1130 computer system, introduced in 1965. The IBM World Trade Corporation marketed Computing Accounting Machines (CAM), variations of either the IBM 402 or 407

  6. IBM 6400 Accounting Machine - Wikipedia

    en.wikipedia.org/wiki/IBM_6400_Accounting_Machine

    The IBM 6400 Accounting Machine is a series of four calculating and accounting machines produced by the IBM Electric Typewriter (ET) division in 1962. [1] It was announced in January 1963 and was sold to perform what IBM referred to as BICARSA, which stood for billing, inventory control, accounts receivable and sales analysis.

  7. IBM 402 - Wikipedia

    en.wikipedia.org/wiki/IBM_402

    In July 2010, a group from the Computer History Museum reported that an IBM 402 was still in operation at Sparkler Filters, Inc., a manufacturing company that produces chemical filtration systems, in Conroe, Texas, still as of 2022 [citation needed] the company's accounting and payroll is done on the oldest American computer in service within ...

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