NIST’s Handbook of Basic Atomic Spectroscopic Data provides reference data maintained by its Physical Measurement Laboratory.
NIST Digital Library of Mathematical Functions
NIST’s Digital Library of Mathematical Functions provides reference material on mathematical functions, with indexes, notations, and search.
About NIST Digital Library of Mathematical Functions
The NIST Digital Library of Mathematical Functions (DLMF) is a web-based English-language reference on mathematical functions. It organizes material into 36 chapters, from algebraic and analytic methods to functions of matrix argument, and includes search and indexes, notations, a bibliography, lists of figures and tables, a software section, errata, and project news. The site serves as a companion to the NIST Handbook of Mathematical Functions. Pricing is not stated, and the source lists it as not open source.
Key features
- Search and index tools for locating functions and notations
- Browse 36 chapters covering algebraic, analytic, asymptotic, and special functions
- Includes notation guide, bibliography, figures, tables, software, and errata
- Serves as companion to NIST Handbook of Mathematical Functions
- Offers citing guidance, help pages, and customization options
- Publishes project news with version and update dates
Best for: Researchers, students, and practitioners who need a web-based English-language reference on mathematical functions.
Good for
- Maintained by NIST with periodic versioned updates.
- Covers 36 chapter topics across a broad range of mathematical functions.
- Includes indexes, notations, bibliography, figures, tables, software, and errata.
Watch out for
- Not listed as open source.
- Available in English only.
- Pricing is not stated.
NIST Digital Library of Mathematical Functions at a glance
- Website
- dlmf.nist.gov
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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NIST Digital Library of Mathematical Functions FAQ
What does DLMF cover?
It provides 36 chapters on mathematical functions, plus indexes, notations, bibliography, figures, tables, software, and errata.
Is DLMF open source?
No; the source lists it as not open source.
What language is DLMF available in?
English.
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