Description:
Discussion about APL.
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Internals of an APL Interpreter
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Where could I get information on how APL works *inside*??? I know it's a massive undertaking, but I think it would be fun to *try* creating an APL system myself. Are most interpreters table driven??? How is the APL function text stored???
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Please justify-who is right?
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The following expressiion 2 // 2 4 1 3 7 produces a different result in all five versions of APL.. Could all justify your result? (who is right?) APL2: Valence error Dyalog APL: the nested vector 4 4 1 1 1 1 3 7 7 7 APLX: a simple vector of 16 sevens APL+WIN: Nonce error VisualAPL: 2
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J graphics questions
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I have been experimenting with graphics in J. I have a program that I want to be able to use on my laptop at regular resolution but also use on a projector which has a much lower resolution. So I need to resize the program to fit the screen as well as possible so the graphics area is large and easy to see. I don't... more »
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APL CAM Journal - Back Issues.
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I have been trying FOR YEARS to get ANY of the following APL CAM Journal Issue Articles. I contacted the LIbrary of Congress and there appears to be no libraries that archived this publication. If anyone knows of a source, I'd be grateful. Many thanks! J. Many thanks, here is a list of the Belgian APL CAM Journal... more »
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November meeting of BAA-London
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November meeting of BAA-London As previously announced to the group on the evening of the previous meeting, we are pleased to announce that the next meeting of BAA- London will be at the Knights Templar on Friday 27 November 2009 at 14.00. We have a quiet room (before we arrive) with free secure broadband and... more »
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Workstation APL2 Version 2 Service Level 15
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The IBM APL Products and Services group is pleased to announce Service Level 15 for Workstation APL2 for Multiplatforms Version 2.0. This new service level is available for all Workstation APL2 platforms including AIX, Linux, Sun Solaris, and Windows. Along with fixes for customer reported problems, Service Level 15 contains... more »
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Donald McIntyre
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Donald B. McIntyre (1923-08-15 to 2009-10-21) passed away peacefully in the afternoon of October 21. Donald was an eminent geologist who pioneered the use of computers in geology. He was a gifted and inspiring teacher, an early and long-time APL and J user, and a friend and colleague of Ken Iverson and myself. He is... more »
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Missing APL 92 code and Petri Nets
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I remember that, probably years ago, there was a brief exchange about why the APL92 directory on the Waterloo archive is empty, while the APL93-96 ones actually do contain code. This week, I was looking for a piece of APL software (part of the APL 92 conference) that was supposed to be available on the old "Software... more »
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STSC manuals
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Whilst clearing out his attic Gabro Lacko found he has some leather- bound manuals from STSC and wonders if they would be of interest to anyone. Any suggestions or takers? Contact treasu...@vector.org.uk
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