An index is a file called as index.htm, index.html, index.asp, or index.php and the Web or WebPages. The list file is first document loaded when opening a listing on the site.

Each index has its own calculation methodology and is usually expressed in terms of a change from a base value.

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Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the QWERTY keyboard and along with Frank Haven Hall, Samuel W. Soule, Carlos Gladden and John Pratt, has been contended as one of the …

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