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  2. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

  3. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    PDF 1.7 and errata to 1.7 at the Wayback Machine (archived March 6, 2022) PDF 1.6 (ISBN 0-321-30474-8) and errata to 1.6 at the Wayback Machine (archived March 6, 2022) PDF 1.5 and errata to 1.5 at the Wayback Machine (archived December 22, 2021) PDF 1.4 (ISBN 0-201-75839-3) and errata to 1.4 at the Wayback Machine (archived March 6, 2022)

  4. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  5. PDF/E - Wikipedia

    en.wikipedia.org/wiki/PDF/E

    ISO 24517-1:2008 is an ISO Standard published in 2008.. Document management—Engineering document format using PDF—Part 1: Use of PDF 1.6 (PDF/E-1) This standard defines a format (PDF/E) for the creation of documents used in geospatial, construction and manufacturing workflows [1] and is based on the PDF Reference version 1.6 from Adobe Systems.

  6. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    PDF/X (since 2001 - series of ISO 15929 and ISO 15930 standards) - a.k.a. "PDF for Exchange" - for the Graphic technology - Prepress digital data exchange - (working in ISO Technical committee 130), based on PDF 1.3, PDF 1.4 and later also PDF 1.6; PDF/A (since 2005 - series of ISO 19005 standards) - a.k.a. "PDF for Archive" - Document ...

  7. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    1. Denotes subtraction and is read as minus; for example, 3 – 2. 2. Denotes the additive inverse and is read as minus, the negative of, or the opposite of; for example, –2. 3. Also used in place of \ for denoting the set-theoretic complement; see \ in § Set theory. × (multiplication sign) 1.

  8. Adobe Acrobat version history - Wikipedia

    en.wikipedia.org/wiki/Adobe_Acrobat_version_history

    Originally called Adobe Reader For Windows Tablets (Version 1.0) was released on the Microsoft Windows Store on the second week of December 2012, [38] based on the Adobe Reader Mobile engine found in the iOS, Android, Blackberry and Windows phone versions, is the first application written by Adobe Systems for the Windows 8/RT Metro Style interface.

  9. PDF/X - Wikipedia

    en.wikipedia.org/wiki/PDF/X

    ISO 15930-4:2003: PDF/X-1a:2003, revision of PDF/X-1a:2001 based on PDF 1.4; ISO 15930-5:2003: PDF/X-2, An extension of PDF/X-3 which allows for OPI-like (external linked) data to be included. It was withdrawn in 2011. ISO 15930-6:2003: PDF/X-3:2003, revision of PDF/X-3:2002 based on PDF 1.4; ISO 15930-7:2008: PDF/X-4, Colour-managed, CMYK ...