Newsgroups: comp.lang.apl
Path: utzoo!utgpu!news-server.csri.toronto.edu!torsqnt!jtsv16!blister!itcyyz!yrloc!hui
From: hui@yrloc.ipsa.reuter.COM (Roger Hui)
Subject: Re: what is j?
Message-ID: <1991May15.021806.7111@yrloc.ipsa.reuter.COM>
Reply-To: hui@yrloc.ipsa.reuter.COM (Roger Hui)
Organization: Iverson Software Inc.
References: <199113.993.337@canrem.uucp>
Date: Wed, 15 May 91 02:18:06 GMT

J is a dialect of APL defined by Ken Iverson's "A Dictionary of J".
It first became available at the APL90 conference in Copenhagen.
Salient characteristics:

- Shareware, available on a wide variety of machines: PC, Mac, Sun Sparc,
    Sun 3, AT&T 3B1, MIPS, SGI, Atari ST, IBM RS6000, NeXT, ...
- ASCII spelling (0-127, no special characters)
- Complex numbers; boxed arrays; etc.
- Equivalents to all the functions and operators in Sharp APL
- Adverbs and conjunctions (operators) accept any verb (function)
- User-defined adverbs and conjunctions
- Access to "native" files and other external facilities
- LinkJ permits calling between J and C

-----------------------------------------------------------------
Roger Hui
Iverson Software Inc., 33 Major Street, Toronto, Ontario  M5S 2K9
(416) 925 6096