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New Best Practice Guide for Mathematical Content in PDF

As technical documents often include sophisticated mathematical formulas, the need for standardized, accessible representations is clear. The new Best Practice Guide addresses this need by providing clear guidance on publishing accessible STEM content using MathML syntax within Tagged PDF.

A central theme is a strong recommendation to use PDF 2.0, which natively includes MathML as a standardized namespace and leverages Associated Files in support of accessibility. These features provide a standardized mechanism for embedding MathML and LaTeX representations as supplements to the visual PDF content, improving the experience for users who rely on assistive technology.

PDF Association staff

By PDF Association staff
April 2026

New Best Practice Guide for Mathematical Content in PDF


As technical documents often include sophisticated mathematical formulas, the need for standardized, accessible representations is clear. The new Best Practice Guide addresses this need by providing clear guidance on publishing accessible STEM content using MathML syntax within Tagged PDF.

A central theme is a strong recommendation to use PDF 2.0, which natively includes MathML as a standardized namespace and leverages Associated Files in support of accessibility. These features provide a standardized mechanism for embedding MathML and LaTeX representations as supplements to the visual PDF content, improving the experience for users who rely on assistive technology.

PDF Association staff
By PDF Association staff
April 2026

What you need to know today.


April 2026 by Peter Wyatt
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Different PDF SDKs can produce inconsistent validation results due to hidden assumptions and simplified APIs, making careful API selection essential … Read more

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March 2026 by PDF Association staff
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This FAQ is designed to educate journalists, social media commentators and others lacking expertise in PDF technology on why and … Read more

PDF Association news

March 2026 by Peter Wyatt
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How do you license (or not!) AIs to mine your PDFs? In this article we clarify the use of TDMRep’s … Read more

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Recent articles

Informative (non-commercial) articles by PDF Association members and staff.


November 2025 by PDF Association staff
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An initiative to translate PDF 2.0 (ISO 32000-2) into Chinese aims to expand digital document interoperability and advance the PDF … Read more


November 2025 by Peter Wyatt
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Understanding how URLs can exist and behave in PDF/A files is critical to preservationists who need to identify, audit, and … Read more


November 2025 by PDF Association staff
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The global digital preservation community will come together on Thursday, November 6, 2025 to celebrate #WDPD2025 under the theme “Why Preserve?” Learn how … Read more


October 2025 by Daniel Wilson (BFO (Big Faceless Organization))
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The PDF industry is preparing for the quantum era by adopting post-quantum cryptography (PQC) standards. Following key developments at PDF … Read more


September 2025 by Peter Wyatt
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ISO standardized subsets of PDF, such as PDF/UA, enable files to claim conformance to a specific version of PDF/UA using … Read more


September 2025 by PDF Association staff
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According to Board chair Raf Hens: “The event showcased what makes the PDF ecosystem unique: a standards-driven, industry-wide collaboration where … Read more

News from the PDF Association

Announcements, publications, events and other updates.


April 2026 by PDF Association staff
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Developed by the LaTeX Project LWG, this guide provides critical recommendations for authors and publishers to ensure complex mathematical and … Read more


April 2026 by Alexandra Oettler
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Twenty years ago, the Association for Digital Document Standards (ADDS) was launched. Today, the PDF Association has more than 160 … Read more


March 2026 by PDF Association staff
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This FAQ is designed to educate journalists, social media commentators and others lacking expertise in PDF technology on why and … Read more


March 2026 by PDF Association staff
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The PDF Association has launched a new “Topics” menu on pdfa.org to enhance navigation and access to authoritative, structured information … Read more


February 2026 by PDF Association staff
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Adobe has renewed its Standards Support Endowment for 2026, marking the 8th year of this program.


February 2026 by PDF Association staff
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PDF Week Online brings together PDF’s technical community to advance industry projects. All members are welcome to attend!

News from PDF Association members

PDF Association members post updates on their software and services.


April 2026 by Solimar Systems
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SOLsearcher Cloud is a secure, Azure-native solution for organizations that produce high-volume transactional documents — invoices, statements, policies, and notices. … Read more


April 2026 by Dusan Baranec (Foxit Corporation)
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This article summarizes key new features, enhancements and security updates achieved in release 2026.1.0.36452.


April 2026 by Datalogics
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Scout AI Assistant now supports MCP, letting developers access Datalogics docs directly in tools like VS Code or Cursor – … Read more


April 2026 by axes4 GmbH
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Accessible PDFs are more than a compliance requirement. They provide the semantic structure that AI systems and search engines need … Read more


April 2026 by Dual Lab sprl
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Dual Lab announces a new update 1.8 to PDF4WCAG, delivering further improvements in validation accuracy, user experience, and overall stability.


April 2026 by Mary Ann Rowan (Solimar Systems)
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Founded in San Diego in 1991, Solimar Systems celebrates its 35th anniversary serving thousands of global customers—including Fortune 100 companies—with … Read more

Members‘ case studies

PDF Association members‘ case studies showcase implementations of PDF technology in daily business operations around the world.


April 2026 by axes4 GmbH
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TU Chemnitz partnered with axes4 to embed PDF accessibility into university life, adopting axesWord as a key tool that enables … Read more


March 2026 by Diana Kosovac (PDFix)
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From 4.8 million annual cases to 90% automated PDF/UA compliance: See why PDFix is the go-to solution for U.S. government … Read more


March 2026 by axes4 GmbH
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The State Office for Health and Social Affairs Berlin uses axesWord to create accessible documents directly in Microsoft Word and … Read more


February 2026 by Diana Kosovac (PDFix)
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When a Texas county faced thousands of PDFs and an ADA compliance deadline, they didn’t hire more staff – they … Read more


October 2025 by PDFix
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Discover how U.S. Citizenship and Immigration Services transformed PDF accessibility workflow with PDFix Desktop Pro -simplifying Section 508 compliance and … Read more


July 2025 by PDFix
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The Federal Reserve turned to PDFix SDK to streamline PDF accessibility across thousands of complex, scanned documents – ensuring compliance … Read more

Members‘ white papers

PDF Association members‘ white papers inform their customers, partners and suppliers with technical or marketplace education, insights into their philosophy, solutions and technologies.


March 2026 by PDFSmart
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Most enterprise AI initiatives are failing not because of the model — but because of the document. This whitepaper examines … Read more


January 2022 by Jonathan Malone-McGrew (Solimar Systems)
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Ryan McAbee and Pat McGrew share their thoughts on relevant Keypoint Intelligence research during this Solimar-sponsored webinar.


August 2021 by Solimar Systems
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From their headquarters in Denver, Colorado, Pinnacol Assurance is the state’s largest workers’ compensation insurance carrier, managing thousands of communications … Read more

PDF in the Wild

Our (occasionally lighthearted) monthly post covering items of interest to PDF’s technical community.


March 2026 by PDF Association staff
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German government standardizes on PDF/UA | ISO/IEC committee starts work on a vocabulary for authenticity | Chrome adds ink (not … Read more


February 2026 by PDF Association staff
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A PDF icon doesn’t mean that the link goes to a PDF | Register for PDF Week London | Save … Read more


January 2026 by PDF Association staff
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HuggingFace echoes SafeDocs with new PDF datasets | Chrome does NOT sign or annotate your PDF! | ONIX application note … Read more


December 2025 by PDF Association staff
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Chrome’s U-turn on JPEG-XL – thanks (in part) to PDF! | PDF errata makeover | ZUGFeRD 2.4 / Factur-X 1.08 … Read more


November 2025 by PDF Association staff
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Browsers leverage PDF in their battle for dominance | Your PDF says a lot about you | Is Big Data … Read more


October 2025 by PDF Association staff
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Milestones in the History of PDF | Chrome’s newest feature | JPEG 2000 turns 25 | Windows 11 October 2025 … Read more

PDF Association news for members


March 2026 by PDF Association staff
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The PDF Association supports interoperability by sharing extensions and declarations via GitHub, inviting members to contribute standardized, machine-readable data.


March 2026 by PDF Association staff
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Gain insights into the PDF marketplace via this exclusive report.


January 2026 by PDF Association staff
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The PDF Association is launching a new benefit specifically designed for Individual members.


July 2025 by PDF Association staff
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This recently published report from ISO/IEC JTC 1 SC 34 presents an analysis of related standards, the current status and … Read more


May 2025 by PDF Association staff
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Submit a Technical Poster to showcase your ideas at PDF Days Europe 2025!


May 2025 by PDF Association staff
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To give you – our members – more visibility, the main landing-page of pdfa.org now includes our members’ logos, showcasing … Read more

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