價格：免費
檔案大小：1.9 MB
版本需求：需要 iOS 4.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
J is a general purpose, high-level programming language. J is particularly strong in the mathematical, statistical, and logical analysis of data and visualization of your data is at your fingertips.
If you are new to J and want to be a J programmer, this is a good place to start. If you already know J, you probably think of it as fun rather than work. Now you can have mobile joy of J!
支援平台：iPhone, iPad