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J is a general purpose, high-level programming language. If you are new to J and want to be a J programmer, this is a good place to start. Even if you have considerable programming experience, there is much that is unique to J, and it is worthwhile to at least skim these pages before jumping into the deep end.

Note: the arrows that you see above and below the text ( <= => ) allow you to advance and go back between pages of the Primer.

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Primer Index               Hover to reveal titles   -   Click to access   -   Current page is highlighted
1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	✅
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