j ☆

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Description:
Programming language for mathematical, statistical and logical analysis of data

Type: Cask | Latest Version: 9.6.3@0 | Tracked Since: Dec 28, 2025

Links: Homepage | @jsoftware_ | formulae.brew.sh

Category: Developer tools

Tags: programming-language array-programming mathematics statistics data-analysis

Install: brew install --cask j

About:
J is a concise, high-level array programming language optimized for mathematical, statistical, and logical data analysis. It excels at vector and matrix operations, enabling complex data transformations with minimal code. Its powerful primitives and tacit programming style facilitate efficient algorithmic development for specialized domains.

Key Features:

Concise array programming syntax
High-performance mathematical primitives
Built-in support for matrices and complex numbers
Interactive REPL and script execution
Cross-platform compatibility

Use Cases:

Statistical analysis and data modeling
Algorithmic trading and financial analysis
Mathematical research and education
Data processing and transformation

Alternatives:

R – R is more widely used for statistics with extensive libraries, while J offers more concise array syntax.
Python – Python is a general-purpose language with libraries like NumPy, whereas J is specialized for array operations and mathematical notation.

Version History

Detected	Version	Rev	Change	Commit
Aug 5, 2025 2:20pm	9.6.3	0	VERSION_BUMP	1d69b5c3