The term *sum* occurs in indexes or keywords of following Zvon materials:

- Keywords
- Mathematical Markup Language (MathML) Version 2.0 :
**sum**[*Keywords*]an XML application for describing mathematical notation and capturing both its structure and content - XML Elements
- Mathematical Markup Language (MathML) Version 2.0 :
**sum**[*Elements*]an XML application for describing mathematical notation and capturing both its structure and content - Functions
- XPath 2.0 Reference :
**sum**[*Functions*]the expression language behind XSLT 2.0 and XQuery for selecting nodes and computationXPath 1.0 Reference :**sum**[*Functions*]language for addressing parts of XML documents in XSLT 1.0 providing as well basic facilities for manipulation of strings, numbers and booleans - Characters
- Mathematical Markup Language (MathML) Version 2.0 :
**sum**[*Entities*]an XML application for describing mathematical notation and capturing both its structure and contentMathematical Markup Language (MathML) Version 2.0 :**Sum**[*Entities*]an XML application for describing mathematical notation and capturing both its structure and contentXHTML 1.0 Strict Reference :**sum : ∑**[*Entities*]a reformulation of HTML 4 as an XML 1.0 application with strict rules and without HTML 4.0 deprecated elements and attributes - External resources
*HTML related materials*http://comp*MathML Test Suite 2.0*http://www.w3.org*DTD/xhtml1-strict.dtd*http://www.w3.org*Mathematical Markup Language (MathML) Version 2.0*http://www.w3.org*HTML 4.01 Specification*http://www.w3.org*XHTML Modularization 1.1*http://www.w3.org*XHTML 1.0 The Extensible HyperText Markup Language (Second Edition) A Reformulation of HTML 4 in XML 1.0*http://www.w3.org*XQuery 1.0 and XPath 2.0 Functions and Operators*http://www.w3.org*XML Path Language (XPath) 1.0*http://www.w3.org*XML Path Language (XPath) 2.0*http://www.w3.org*XSL Transformations (XSLT) Version 2.0*http://www.w3.org

Zvon keyword: *sum*

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