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# SciPy documentation

Date: October 31, 2025 Version: 1.16.3

Download documentation: https://docs.scipy.org/doc/

Useful links: Install | Source Repository | Issues & Ideas | Q&A Support | Forum

SciPy (pronounced “Sigh Pie”) is an open-source software for mathematics, science, and engineering.

User guide

The user guide provides in-depth information on the key concepts of SciPy with useful background information and explanation.

API reference

The reference guide contains a detailed description of the SciPy API. The reference describes how the methods work and which parameters can be used. It assumes that you have an understanding of the key concepts.

Building from source

Want to build from source rather than use a Python distribution or pre-built SciPy binary? This guide will describe how to set up your build environment, and how to build SciPy itself, including the many options for customizing that build.

Developer guide

Saw a typo in the documentation? Want to improve existing functionalities? The contributing guidelines will guide you through the process of improving SciPy.