ABC ALGOL

ABC ALGOL is an extension of the programming language ALGOL 60 with arbitrary data structures and user-defined operators, intended for computer algebra (symbolic mathematics). Despite its advances, it was never used as widely as Algol proper.

References

van de Riet, R.P. (1973). ABC Algol: A Portable Language for Formula Manipulation Systems. Matematisch Centrum (Amsterdam). Retrieved May 26, 2017.
van de Riet, R.P. (1973). ABC Algol: The language. Mathematisch Centrum. Retrieved May 26, 2017.
van de Riet, R.P. (1973). ABC Algol: The compiler. Mathematisch Centrum. Retrieved May 26, 2017.

ALGOL programming

Technical standards	ALGOL 58 ALGOL 60 ALGOL 68
Dialects	ABC ALGOL ALCOR ALGO ALGOL 68C ALGOL 68-R ALGOL 68RS (ELLA) ALGOL 68S ALGOL N ALGOL W ALGOL X Atlas Autocode (Edinburgh IMP) Burroughs ALGOL CORAL 66 Dartmouth ALGOL 30 DASK ALGOL DG/L Elliott ALGOL Executive Systems Problem Oriented Language (ESPOL) → New Executive Programming Language (NEWP) FLACC IMP JOVIAL Kidsgrove Algol MAD Mary NELIAC RTL/2 S-algol, PS-algol, Napier88 Simula Small Machine ALGOL Like Language (SMALL) SMIL ALGOL
Formalisms	Jensen's device Van Wijngaarden grammar

Organizations

Professional associations	ALCOR Group Association for Computing Machinery (ACM) BSI Group Euro-Asian Council for Standardization, Metrology and Certification (EASC) International Federation for Information Processing (IFIP) IFIP Working Group 2.1 Society of Applied Mathematics and Mechanics (GAMM)
Business	Burroughs Corporation Elliott Brothers Regnecentralen
Education	Case Institute of Technology University of Edinburgh University of St Andrews Manchester University Massachusetts Institute of Technology (MIT)
Government	Royal Radar Establishment (RRE)

People

John Backus Friedrich L. Bauer Hermann Bottenbruch Charles Katz Alan Perlis Heinz Rutishauser Klaus Samelson Joseph Henry Wegstein
MAD	Bruce Arden Bernard Galler Robert M. Graham