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the finger next to the thumb
a system that provides the amount of prices, costs, etc. so that one can compare them with their previous value
an alphabetical list of subjects, names, etc. along with the page numbers each of them occurs, coming at the end of a book
What is an "index"?
An index is a list of key terms, subjects, or topics mentioned in a book, usually found at the end. It is organized alphabetically and provides page numbers where each item can be found within the text. The index helps readers quickly locate specific information or topics in the book, making it easier to navigate large or detailed works. It is commonly used in nonfiction books, academic texts, and reference materials.
a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
a mathematical notation indicating the number of times a quantity is multiplied by itself
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