SIGAPL operates as a sub-group of ACM's SIGPLAN: the Special Interest Group on Programming LANguages.

Upcoming APL Events

NYCJUG Meeting - September 9th, 2014

The regular monthly meeting of the New York City J Users Group will be held on Tuesday 9/9, at 6:30 pm, at the Heartland Brewery in the basement of the Empire State Building at 34th and 5th. Take a look at our meeting notes and our Meetup page.

Paul Jackson: APL in Javascript - September 13th, 2014

The APL Bay Area Users' Group (The Northern California SIGAPL of the ACM) will meet on the 13th of September to hear Paul Jackson describe an APL - NGN/APL - that uses JavaScript to run in a browser. The meeting will take place on Saturday, 13 September 2014, 2 p.m. at San Jose State University, College of Engineering, Room ENG 339, E. San Fernando St. & S 7th St. in San Jose, CA. Please consult the following links for information about the venue.
  • Map of the campus
  • Campus parking information
  • Downtown parking information
  • In NGN/APL, Nick Nickolov hopes to provide, "An ancient programming language adapted to a JavaScript-dominated world." His language processor is written in CoffeeScript, and compiles into JavaScript. As such, it runs on NodeJS or in a browser.

    Find out more about this APL implementation here.

    Dyalog '14 - September 21st-25th, 2014

    The 2014 Dyalog APL conference will be held in Eastbourne, UK on 21-25 September, 2014. This is a great opportunity for APL users to exchange experience, update their technical knowledge through product training and workshops and influence Dyalog Ltd's direction through discussions with the Dyalog Development Team.

    IPSA 50th Anniversary - October 4th, 2014

    A gala event celebrating the 50th anniversary of I. P. Sharp and Associates: a reunion of the people who worked at IPSA between 1964 and 1989. Please, only former employees of the firm (and their interested partners) during this time, prior to its acquisition by Reuters, should attend. Look here for more information.

    Recent APL Events:

    NYCJUG Meeting: Tuesday, August 5th, 2014

    The regular monthly meeting of the New York City J Users Group was held at 6:30 pm, at the Heartland Brewery in the basement of the Empire State Building at 34th and 5th. Take a look at our meeting notes and our Meetup page.

    APL BUG Meeting: Monday, August 11th, 2014

    The APL Bay Area Users' Group (The Northern California SIGAPL of the ACM) met at 6:30 p.m., Monday, 11 August 2014, at the Asian Box restaurant at 142 Castro St., Mountain View, CA.

    J Conference 2014: July 24-25, 2014, Toronto

    The 2014 J Conference was held on Thursday and Friday, July 24-25, 2014, at The Cathedral Centre, 65 Church Street, Toronto, Canada.

    APL2000 2014: March 23-25, 2014

    The 2014 APL2000 User Conference was held March 23-25 in Fort Lauderdale, Florida, USA, at the GALLERYone, a Doubletree Suites by Hilton. Information on the conference sessions may be found here (PDF).

    Talk on the J Programming Language

    Devon McCormick gave a talk on the J programming language at a meeting of the 7 Languages in 7 Months meetup on Tuesday, January 2014, at 7:00 pm. An annotated set of the slides for the talk may be found here.


    Winners Announced for the Dyalog APL Problem-Solving Competition 2014

    The winners of this world-wide competition have been announced.

    APL+Win Version 14.2 Released

    This latest version in the APL2000 product line adds numerous enhancements and several bug fixes. See this (pdf) for more details.

    J version 8.02 Released

    The latest version of the J language, 8.02, is freely downloadable. Look here for more information. J is available for these platforms:
  • Windows
  • Mac OS X
  • Linux
  • Android
  • Raspberry Pi
  • Dyalog Version 14.0 Released

    Version 14.0 of Dyalog APL will be available on all supported platforms and will feature significant new primitives like rank, key and function trains, as well as: new ways to use multiple processors deterministically; data binding to share data in real time with GUI components; a new semi-compiling parser; more efficient component files.

    New Vocabulary Page for J

    A community effort led by Ian Clark has produced a new version of the J dictionary called "The Accessible Dictionary". This color-coded, single-page listing of the symbols and names of the entire J Language has been designed to complement the more traditional J Dictionary.

    New Release of Eli: Compiled APL

    "ELI", a system for programming with arrays, with most of the functionality of ISO APL but with extended data types like non-homogenous arrays, complex numbers, and temporal data, is freely available on Windows, Linux, and Mac OS. The language has a compiler as well as an interpreter and SQL statements. Visit the Eli homepage and take a look at this article in Vector for more details.

    Run APL in Your Browser!

    Paul L. Jackson has implemented a session manager for a version of the browser-based APL - NGN APL, mentioned below - he is hosting. The site also provides an install package and an example of using APL for a simple web page.

    Source of JavaScript Implementation of APL Available on Github

    The source code for the above-mentioned implementation of APL - "NGN APL" - that will run in a browser, is here. It is written in CoffeeScript, a language that "compiles" to JavaScript.

    Gnu Open-source APL Released

    GNU APL is a free interpreter for which the source code is available. It is written and is being maintained by Jürgen Sauermann under a Gnu license. It is aimed at a Linux environment but compiles under Cygwin for a Windows environment.

    Graphical J Sentence Analyzer

    Announcing a graphical sentence debugger for J: wouldn't it be great if you could actually see how a sentence executes? Instead of puzzling over some expressions like this:
       z =. 100 200 300
       +/ z + i. 3 3
    609 612 615
    you can see a picture like this:

    graphical representation of a J phrase