Easily creating and manipulating numerical data



  -  15.1 MB  -  Open Source
  • Latest Version

    NumPy 1.26.4 LATEST

  • Review by

    Daniel Leblanc

  • Operating System

    Windows 7 64 / Windows 8 64 / Windows 10 64 / Windows 11

  • User Rating

    Click to vote
  • Author / Product

    Jarrod Millman / External Link

  • Filename


NumPy, developed by Jarrod Millman, is a fundamental library for scientific computing in Python. Short for "Numerical Python," it provides support for large, multi-dimensional arrays and matrices, along with a variety of high-level mathematical functions to operate on these arrays. It is an essential tool for data scientists, engineers, and researchers working with Python, offering unparalleled performance and flexibility for numerical computations.

Key Features

Efficient Array Operations: NumPy's core functionality revolves around efficient handling of arrays and matrices. It allows for easy creation, manipulation, and computation on these data structures.

Mathematical Functions: It offers a comprehensive set of mathematical functions, including trigonometric, statistical, and linear algebra functions. It simplifies complex numerical operations.

Broadcasting: NumPy's broadcasting feature enables you to perform operations on arrays with different shapes, making your code more concise and readable.

Interoperability: It seamlessly integrates with other scientific libraries, such as SciPy, Matplotlib, and Pandas, providing a robust ecosystem for scientific computing.

Random Number Generation: It includes tools for generating random numbers and random sampling, crucial for simulations and statistical analysis.

Multi-dimensional Data: It supports multi-dimensional arrays, which are crucial for applications like image processing, machine learning, and signal processing.

Open Source: NumPy is open-source software, meaning it's free to use and has a vibrant community of contributors.

User Interface

NumPy is not a traditional software application with a graphical user interface. Instead, it's a Python library that is typically used within Python scripts and interactive environments like Jupyter notebooks. Its interface is primarily a collection of functions and methods that you can call to perform various mathematical and array-related operations. The user interface experience depends on the programming environment you use with the app.


What is NumPy used for?
NumPy is used for numerical and scientific computing in Python. It provides support for arrays, matrices, and a wide range of mathematical operations, making it essential for data analysis, machine learning, and scientific research.

How does NumPy compare to lists in Python?
It arrays are more efficient than Python lists for numerical operations due to their fixed data types and memory management. Lists are more flexible but slower for numerical computations.

Can I install NumPy on different operating systems?
Yes, the program is compatible with Windows, macOS, and Linux. You can install it using pip on any of these platforms.

Is NumPy compatible with Python 3.x and Python 2.x?
It officially supports Python 3.x. Python 2.x is no longer supported, so it's recommended to use Python 3.x with NumPy.

Are there any alternatives to NumPy for scientific computing in Python?
Yes, alternatives include TensorFlow, PyTorch, and SciPy. However, it remains the foundation upon which many of these libraries are built.


TensorFlow: Ideal for deep learning and neural networks, TensorFlow provides efficient numerical operations on multi-dimensional arrays.

PyTorch: Another popular deep learning framework, PyTorch offers dynamic computation graphs and a strong focus on machine learning.

SciPy: It provides additional scientific and statistical functionality, making it a great choice for researchers and engineers.

System Requirements

To use the program, you need a Python interpreter installed on your system. It supports Python 3.5 and later.

  • Efficient and high-performance numerical computations.
  • Comprehensive mathematical functions.
  • Integration with a wide range of scientific libraries.
  • Excellent support for multi-dimensional arrays.
  • Open source and free to use.
  • Learning curve for beginners.
  • Requires knowledge of Python programming.

All in all, it stands as the cornerstone of scientific computing in Python. Its efficient array handling, extensive mathematical functions, and compatibility with various scientific libraries make it an indispensable tool for data scientists, engineers, and researchers.

While it may have a learning curve for beginners, the power and flexibility it offers make it a must-have for anyone working with numerical data in Python. NumPy's open-source nature and active community ensure that it will continue to evolve, solidifying its position as the go-to library for scientific computation in Python.

Also Available: Download NumPy for Mac

  • NumPy 1.26.4 Screenshots

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