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Vol.21 No.4 Autumn 2005 The Journal of the British APL Association   News from the APL world: • McDonnell on Metlov’s triumph 25 • Stevan Apter on Joy and K 31 • Roger Hui solves Sudoku with J ... 49 • John Clark & Ellis Morgan with APL 53 • Lescasse on Web Components (2) 62 • Ajay Askoolum on APLX and SQL 117

Contents

Editorial: Discover, Learn, Profit	Stephen Taylor	2
RESPONSES
Thoughts on the Urn Problem	from Eddie Clough	4
CRCOMPARE in J	from Adam Dunne	7
APL NEWS
News from Sustaining Members   MicroAPL, Kx		10
APL NEWS for Japanese Audience	from Kyosuke Saigusa	12
APL Product Guide	Gill Smith	13
DISCOVER
At Play with J: Metlov’s Triumph	Gene McDonnell	25
Functional Programming in Joy and K	Stevan Apter	31
Function Arrays in APL	Gianluigi Quario	39
LEARN
A Sudoku Solver in J	Roger Hui	49
Sudoku with Dyalog APL	John Clark & Ellis Morgan	53
APL+WebComponent (Part 2) [on Eric’s site]   Deploy your APL+Win Application on the Web	Eric Lescasse	62
APL Idioms	Ajay Askoolum	92
Review: Mathematical Computing in J (Howard Peelle)	Cliff Reiter	97
J-ottings 44: So Easy a Child of Ten ...	Norman Thomson	63
Zark Newsletter Extracts and Crossword Solution	ed: Jonathan Barman	108
PROFIT
Developer Productivity with APLX v3 and SQL	Ajay Askoolum	117
Submitting Material to Vector		143

www.vector.org.uk > back issues