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Welcome to J! (video)
Jlogo hires.png
3 minutes and 8 seconds
that might change your life!

J is a high-level, general-purpose programming language that is particularly suited to the mathematical, statistical, and logical analysis of data.

It is a powerful tool for developing algorithms and exploring problems that are not already well understood.

Why Should I Use J?

Newcomers J Playground Reference Community
👋 2 + 3
+/1 2 3
📚 👥
A friendly
place to
begin your
journey with J
The J Playground
Try out J on your browser
Nothing to download!
Find the
you seek
Connect with
other J'ers
and J

J is written in portable C and is available for Windows, Linux, Mac, iOS, Android, Raspberry Pi and your browser with the J Playground.
J can be installed and distributed for free.
The source [1] is provided under both commercial and GPL 3 licenses. [2]


This category has the following 5 subcategories, out of 5 total.