What is indices ?
Indices The term "indices" is the plural of "index" , and its meaning depends on the context in which it's used. Here are a few common contexts: 1. Mathematics / Programming Index refers to the position of an element in a list or array. Indices are multiple positions. Example: python Copy Edit arr = [ 10 , 20 , 30 ] # Index 0 = 10, Index 1 = 20, etc. "The indices of this array range from 0 to 2." 2. Finance An index is a statistical measure of change in a market. Indices (like the S&P 500, Dow Jones, Nasdaq) track the performance of groups of stocks. Example: "Stock market indices are used to gauge the health of the economy." 3. Publishing / Books An index is the alphabetical listing at the end of a book with topics and page numbers. Indices are multiple such lists (rare usage). 4. Databases / Search Engines An index helps speed up the retrieval of data. Indices refer to multiple ...