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Language peer sets for Active Language I:
United States
United States/1963
Designed 1963
1960s languages
Third generation
Early Cold War
Genus Arithmetic
Numerical Scientific
Arithmetic/United States
Mathematical/United States
Expression-oriented/United States
Numerical Scientific
Numerical Scientific/1963
Numerical Scientific/us

Active Language I(ID:309/act013)

Interactive mathematics system 

alternate simple view
Country: United States
Designed 1963
Published: 1968
Genus: Arithmetic
Sammet category: Numerical Scientific

Active in the sense of responding to each keystroke.

Character-by-character interactive maths system, running on a modified XDS 930 at Dept. of Mathematics UC Berkeley under the time-sharing systm of Lampson and Deutsch

Developed by Rene de Vogelaere at Project MAC MIT, at the MC at Amsterdam and at Berkley, thereby being exposed to the major strands of language design thought at the time (quite unique).

From Sammet 1971:
"A simple on-line system for use by students on mathematical problems with the objective of
permitting experimentation with rounding errors and alternate algorithms"

As the system responded character-by-character, and so was (with the CFS) a generation ahead of the JOSS systems, while a degree of direct interaction with and manipulation of the actual data structures themselves anticipated the features of such systems as MATLAB.

Featured macros for stored functions.

Related languages
ALGOL 60 Active Language I   Written using
Culler-Fried System Active Language I   Influence

  • de Vogelaere, R. (1968) de Vogelaere, R. "Active Language I" Extract: Implementation Extract: Intention Extract: BASIC REQUIREMENTS
          in [ISEAM 1967] (1967) ACM Symposium on "Interactive Systems for Experimental Applied Mathematics", editors Klerer and Reinfelds, Washington, D.C., August 1967
  • Sammet, Jean E., (1971) Sammet, Jean E., "Roster of Programming Languages 1971"
          in (1971) Computers & Automation 20(6B) 30 Jun, 1971
  • Sammet (1972) Sammet, Jean E., "Roster of Programming Languages 1972" 3
          in (1972) Computers & Automation 21(6B), 30 Aug 1972
  • Sammet, Jean E. (1973) Sammet, Jean E. "Roster of Programming Languages for 1973" p147
          in (1974) ACM Computing Reviews 15(04) April 1974
  • Stock and Stock (1973) Stock, Marylene and Stock, Karl F. "Bibliography of Programming Languages: Books, User Manuals and Articles from PLANKALKUL to PL/I" Verlag Dokumentation, Pullach/Munchen 1973 8 Abstract
          in (1974) ACM Computing Reviews 15(04) April 1974
  • Sammet, J.E., (1976) Sammet, J.E., "Roster of Programming Languages for 1974-1975" Extract: Review
          in [ACM] (1976) [ACM] CACM 19(12) (Dec 1976)
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