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L1 and L2 (programming language)

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L2 was an interpreted language released in September 1955 and developed by Richard Hamming and Ruth A. Weiss at the Bell Labs company for the IBM model 650 (IBM 650) digital computer. It was widely used within Bell Labs, and also by outside users, who usually called it "Bell 2". L2 (and its successor, L1 or "Bell 1") was superseded by Fortran when the IBM 650 was replaced by the IBM 704 in 1957. According to Bell Labs, "In the late 1950s, at least half the IBM 650s doing scientific and engineering work used either Bell 1 or Bell 2."[1]

References

  1. ^ Holbrook, Bernard D.; Brown, W. Stanley. "Computing Science Technical Report No. 99 – A History of Computing Research at Bell Laboratories (1937–1975)". Bell Labs. Archived from the original on September 2, 2014. Retrieved August 27, 2020.
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