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International Conference on APL archive
Conference proceedings on APL 90: for the future table of contents

Copenhagen, Denmark

Pages: 192 - 200

Year of Publication: 1990

ISBN:0-89791-371-X

Also published in ...

Authors

Roger K. W. Hui
Kenneth E. Iverson
E. E. McDonnell
Arthur T. Whitney

Sponsors

SIGAPL: ACM Special Interest Group on APL Programming Language
Danish Data Assn. :

Publisher

ACM New York, NY, USA

Bibliometrics

Downloads (6 Weeks): 4, Downloads (12 Months): 24, Citation Count: 18

Additional Information:

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ABSTRACT

This paper describes a version of APL based upon the dictionary [1], but significantly simplified and enhanced, and directly usable on any machine that provides ASCII characters. It also describes salient features of a C implementation that has been tested on several machines, and is available as freeware. There have been four primary motivations for this work: To provide an APL system for use in teaching mathematics and related topics that is modern, free, and transportable. To devise a spelling scheme based on the ASCII alphabet that preserves the major advantages of the one-letter words based on the special alphabet commonly used in APL. To exploit the advantages of breaking from the strict conformance with earlier APL that is normally obligatory in commercial systems. To explore an unusual style of C programming that makes heavy use of pre-processing facilities. Examples of the use of the language in a variety of topics are provided in an appendix. We are indebted to a number of colleagues for advice and help: Anthony Howe, David Steinbrook, Bob Bernecky, Mark Czerwinski, L.J. Dickey, Jiri Dvorak, James Hui, Eric Iverson, Paul Jackson, and Roland Pesch.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	Kenneth E. Iverson, A dictionary of APL, ACM SIGAPL APL Quote Quad, v.18 n.1, p.5-40, September 1, 1987 [doi>10.1145/36983.36984]
	2	Cajori, Florian, A History ojM&emarical Notations, The Open Court Publishing Co., 1928. Volume I, Paragraph 313.
	3	E. E. McDonnell , K. E. Iverson, Phrasal forms, ACM SIGAPL APL Quote Quad, v.19 n.4, p.197-199, Aug. 1989

CITED BY 18

	Roger K. W. Hui , Kenneth E. Iverson , Eugene E. McDonnell, Tacit definition, ACM SIGAPL APL Quote Quad, v.21 n.4, p.202-211, Aug. 1991
	Alexei N. Skurikhin , Alvin J. Surkan, A parallel correlation-based algorithm in J learns neural network connections, ACM SIGAPL APL Quote Quad, v.25 n.1, p.194-199, Sept. 1994
	Alexei N. Skurihin, Neural networks in J, ACM SIGAPL APL Quote Quad, v.23 n.1, p.216-220, July 1992
	Jean-Jacques Girardot, The CTalk programming language: a strategic evolution of APL, ACM SIGAPL APL Quote Quad, v.23 n.1, p.78-87, July 1992
	Robert Bernecky, Considered harmful—still, ACM SIGAPL APL Quote Quad, v.21 n.1, p.8-11, Sept. 1990
	Alexei N. Skurihin , Alvin J. Surkan, Identification of parallelism in neural networks by simulation with language J., ACM SIGAPL APL Quote Quad, v.24 n.1, p.230-237, Aug. 1993
	David Steinbrook , Eugene McDonnell, From trees into boxes, ACM SIGAPL APL Quote Quad, v.24 n.1, p.267-276, Aug. 1993
	Robert Bernecky , Gert Osterburg, Compiler tools in APL, ACM SIGAPL APL Quote Quad, v.23 n.1, p.22-33, July 1992
	Robert Bernecky, An SPMD/SIMD parallel tokenizer for APL, Proceedings of the 2003 conference on APL: stretching the mind, p.21-32, June 11-14, 2003, San Diego, California
	Robert Bernecky , Roger K. W. Hui, Gerunds and representations, ACM SIGAPL APL Quote Quad, v.21 n.4, p.39-46, Aug. 1991
	Roger K. W. Hui, Rank and uniformity, ACM SIGAPL APL Quote Quad, v.25 n.4, p.83-90, June 1995
	Murray Eisenberg , Howard A. Peelle, Confessions of two APL educators learning J, ACM SIGAPL APL Quote Quad, v.24 n.1, p.78-87, Aug. 1993
	Edward Cherlin, Pure functions in APL and J, ACM SIGAPL APL Quote Quad, v.21 n.4, p.88-93, Aug. 1991
	Robert Bernecky, Array morphology, ACM SIGAPL APL Quote Quad, v.24 n.1, p.6-16, Aug. 1993
	Maurice Jordan, CATS: computer aided testing of software, ACM SIGAPL APL Quote Quad, v.21 n.4, p.223-233, Aug. 1991
	Trenchard More, Jr., Transfinite nesting in array-theoretic figures, changes, rigs, and arms. Part I, ACM SIGAPL APL Quote Quad, v.24 n.1, p.170-184, Aug. 1993
	Robert Bernecky, Fortran 90 arrays, ACM SIGPLAN Notices, v.26 n.2, p.83-98, Feb. 1991
	Guy E. Blelloch , Jonathan C. Hardwick , Siddhartha Chatterjee , Jay Sipelstein , Marco Zagha, Implementation of a portable nested data-parallel language, ACM SIGPLAN Notices, v.28 n.7, p.102-111, July 1993

INDEX TERMS

Primary Classification:
D. Software
D.3 PROGRAMMING LANGUAGES
D.3.2 Language Classifications

Nouns: APL

General Terms:
Design, Languages

REVIEW

"Agnes Marguerite Decroix : Reviewer"

Two topics are mixed in this paper: APL based on an ASCII dictionary, and a C implementation of this form of APL. The authors tackle two goals. First, they wish to provide a modern, free, portable APL that takes the one-letter form of most APL more...

Collaborative Colleagues:

Roger K. W. Hui: colleagues

Kenneth E. Iverson: colleagues

E. E. McDonnell: colleagues

Arthur T. Whitney: colleagues

Peer to Peer - Readers of this Article have also read: