Monday 22 December 2008

About polynomials

Just posted at Vector

About polynomials Part 2 of Gianluigi Quario's article on the representation and evaluation of polynomials.

Friday 19 December 2008

Inquisitive computing

Keith Smillie recommends article "Calculemus!" in American Scientist, which develops the concept of "inquisitive computing" and describes what a good language for it would look like.

Guess what…?

Thursday 18 December 2008

Quickly correlating Kendall

Just posted at Vector:

Quick Calculation of Kendall’s Rank Correlation Distribution Phew! Gordon Sutcliffe shares a fast way to calculate Kendall’s rank correlation frequency distribution.

Saturday 13 December 2008

Curve it like Cauchy

Just posted at Vector:

Curve it like Cauchy Bill Jones & Cliff Reiter use some simple J expressions to draw out the implications of Cauchy’s Integral Theorem – and discover startling and lovely shapes.

And a correction: the recent APL2000 conference was in Bethesda, MD, not Baltimore.

Friday 12 December 2008

Just posted at Vector

Posted today:

Washington round-up APL2000 reports on its recent conference

Structured Storage and Monitor Expressions David Liebtag with news of APL2 Service Level 13

YouTube: Morten Kromberg's Unicode chessboard demonstration.

YouTube: John Schole's plea for simple tools

Thursday 11 December 2008

Unicode Support in APL

The end game for character-mapping conflicts? In a new article, Morten Kromberg explains how and why Dyalog embraced Unicode and meets some strange characters on the Basic Multilingual Plane.

Stephen

Monday 8 December 2008

Spice for Beginners

Dan Baronet’s article on the new programmable command line in the Dyalog IDE is online now at http://www.vector.org.uk/?vol=24&no=1&art=baronet

Two events in London: correction

Correction: the IPSA Christmas party will start at 5.30pm not 7pm as first posted.

Thursday 4 December 2008

Editing the APL Wiki

Kai Jaeger has revised his article on editing the APL Wiki in Vector 23:1&2:

Two events in London

Two informal events at the Plumbers Arms in London on Wed 17 Dec:

4pm BAA Humbug

Meeting of the British APL Association London chapter

7pm I.P. Sharp Associates Christmas Party

The Christmas party that will not die, even though the company was sold off over twenty years ago. If you never had the privilege of working for IPSA, you can still touch someone who did. Better yet, buy them a drink.

Plumbers Arms
14 Lower Belgrave Street
London, SW1W 0LN

Tuesday 2 December 2008

GSE and APL-Germany Fall Meeting, Augsburg

Adrian Smith's report from the GSE and APL-Germany Fall Meeting in
Augsburg is online now.

Award for APL system

Ziggi Paul’s APL system for The Childcare Company has won the Supplier Innovator of the Year award from Nursery Management Today