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See Index of Entries

Index may refer to:

• Index fund, a collective investment scheme
• Stock market index, a statistical average of prices of selected securities

• Index (publishing), an organized list of information in a publication
• Bibliographic index, a regularly updated publication that lists articles, books, or other information items
• Citation index

• Index, a key in an associative array
• Index, the dataset maintained by search engine indexing
• Array index, an integer pointer into an array data structure
• BitTorrent index, a list of .torrent files available for searches
• Database index, a data structure that improves the speed of data retrieval
• Index mapping of raw data for an array
• Index register, a processor register used for modifying operand addresses during the run of a program
• Indexed color, in computer imagery
• Indexed Sequential Access Method (ISAM), used for indexing data for fast retrieval
• Lookup table, a data structure used to store precomputed information
• Site map, or site index, a list of pages of a web site accessible to crawlers or users
• Subject indexing, describing the content of a document by keywords
• Web indexing, Internet indexing
• Webserver directory index, a default or index web page in a directory on a web server, such as index.html

• Index (economics), a single number calculated from an array of prices and quantities
  • Price index, a typical price for some good or service

• Index, a number or other symbol that specifies an element of an indexed family or set
• Index, an element of an index set
• Index, the label of a summand in Σ-notation of a summation

• Index of a subgroup, the number of a subgroup's left cosets
• Index, the degree of an ''n''th root
• Index of a linear map, the dimension of the map's kernel minus the dimension of its cokernel
• Index of a matrix
• Index of a real quadratic form

• Index (statistics), a type of aggregate measure

• Refractive index, a measurement of how light propagates through a material

Disambiguation in a Wiki is the process of resolving conflicts that arise when a potential article title is ambiguous, most often because it refers to more than one subject covered by this Wiki, either as the main topic of an article, or as a subtopic covered by an article in addition to the article's main topic.

See Wikipedia:Disambiguation on Wikipedia