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Welcome to the user community's wiki documentation for the J programming language and system. See About for an overview of the wiki and how to make improvements to the pages.

Community Wiki vs HTML Publications

For New Users



Showcase - Showcase of J in action

  • Essays: More text than code, these articles help you learn to think in J
  • Puzzles: Problems to exhibit & strengthen your J muscles
  • Articles: A collection of published articles on J
  • Books: Books on J
  • Gallery: J graphics gallery
  • Studio: Basic examples of J code

Library - J code library

  • JAL: J Application Library: System Library and Addons
  • Scripts: miscellaneous script files
  • Phrases: useful J expressions to use in your programs.

Community - J User Community

Please email any comments to the wiki group.

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