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Re:J Source to be released under GPL by chalst on Wednesday March 02, 2011 @01:42AM (#2278693)
Hui & Iverson (1991) The J Dictionary. http://cs.nyu.edu/courses/fall05/G22.2110-001/dictionary.pdf

This is the reason to learn J. It is a clean, fast course in a programming style that puts linear algebraic concepts at its heart. If you are interested in functional programming, work through this book. The "tutorial" part is about 60 pages, which should be worked through, and the dictionary part about 150 pages, which can be dipped into.

Re:J Source to be released under GPL by klettow on Wednesday March 02, 2011 @01:54PM (#2280670)
You should really reference the online version of the dictionary http://www.jsoftware.com/help/dictionary/contents.htm, it is the current version.