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  1. More formally, the uncertainty principle is any of a variety of mathematical inequalities asserting a fundamental limit to the product of the accuracy of certain related pairs of measurements on a quantum system, such as position, x, and momentum, p. [1]

  2. Historically, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months. The resulting fraction ( quotient) was multiplied by 100 to obtain the IQ score. [3]

  3. This is a list of languages by total number of speakers . It is difficult to define what constitutes a language as opposed to a dialect. For example, Chinese and Arabic are sometimes considered single languages, but each includes several mutually unintelligible varieties, and so they are sometimes considered language families instead.

  4. en.wikipedia.org › wiki › EvolutionEvolution - Wikipedia

    The scientific theory of evolution by natural selection was conceived independently by two British naturalists, Charles Darwin and Alfred Russel Wallace, in the mid-19th century as an explanation for why organisms are adapted to their physical and biological environments.

  5. en.wikipedia.org › wiki › MathematicsMathematics - Wikipedia

    As a human activity, the practice of mathematics has a social side, which includes education, careers, recognition, popularization, and so on. In education, mathematics is a core part of the curriculum and forms an important element of the STEM academic disciplines.

  6. e. The number e is a mathematical constant approximately equal to 2.71828 that can be characterized in many ways. It is the base of the natural logarithm function. It is the limit of as n tends to infinity, an expression that arises in the computation of compound interest.

  7. en.wikipedia.org › wiki › WikiWiki - Wikipedia

    A wiki ( / ˈwɪki / ⓘ WI-kee) is a form of online hypertext publication that is collaboratively edited and managed by its own audience directly through a web browser. A typical wiki contains multiple pages that can either be edited by the public or limited to use within an organization for maintaining its internal knowledge base .

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