Category:J: Difference between revisions
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Unless you attend an institution which has made a J interpreter available to you through your web browser, if you want to see how J works you should probably [http://www.jsoftware.com/stable.htm install] a copy of J. If you want to understand how to experiment with alternative expressions you should probably study some of its [http://www.jsoftware.com/jwiki/Guides/Getting%20Started#Documentation documentation].
For example, the phrase
<lang J> (+/ % #) 1 2 3
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