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  2. Rate (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Rate_(mathematics)

    In mathematics, a rate is the quotient of two quantities, often represented as a fraction. [1] If the divisor (or fraction denominator) in the rate is equal to one expressed as a single unit, and if it is assumed that this quantity can be changed systematically (i.e., is an independent variable), then the dividend (the fraction numerator) of the rate expresses the corresponding rate of change ...

  3. Symbol rate - Wikipedia

    en.wikipedia.org/wiki/Symbol_rate

    where f s is the symbol rate. For example, a baud rate of 1 kBd = 1,000 Bd is synonymous to a symbol rate of 1,000 symbols per second. In case of a modem, this corresponds to 1,000 tones per second, and in case of a line code, this corresponds to 1,000 pulses per second. The symbol duration time is 1/1,000 second = 1 millisecond.

  4. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    the sensitivity to interest rate in mathematical finance; density (mass or charge per unit volume; may be replaced by the capital form of the Latin letter D) [57] resistivity; the shape and reshape operators in APL (in the form ⍴) the rename operator in relational algebra; the plastic ratio; Rho meson

  5. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  6. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    For example: "All humans are mortal, and Socrates is a human. ∴ Socrates is mortal." ∵ Abbreviation of "because" or "since". Placed between two assertions, it means that the first one is implied by the second one. For example: "11 is prime ∵ it has no positive integer factors other than itself and one." ∋ 1. Abbreviation of "such that".

  7. Wikipedia:Reference desk/Mathematics - Wikipedia

    en.wikipedia.org/.../Mathematics

    A answers: "A" B answers: "C" C answers: "C" D answers: "F" E answers: "F" F answers: "F" To sum up, the special phenomenon here is that, everybody has their own X (usually), and if any respondent points at another respondent as the first respondent's X, then the other respondent must point at themself as their X.

  8. Unit of account - Wikipedia

    en.wikipedia.org/wiki/Unit_of_account

    In economics, unit of account is one of the functions of money. A unit of account [1] is a standard numerical monetary unit of measurement of the market value of goods, services, and other transactions. Also known as a "measure" or "standard" of relative worth and deferred payment, a unit of account is a necessary prerequisite for the ...

  9. Annual percentage rate - Wikipedia

    en.wikipedia.org/wiki/Annual_percentage_rate

    9.569% annual interest rate compounded monthly, because 12×0.7974=9.569; 9.091% annual rate in advance, because (1.1-1)÷1.1=0.09091; These rates are all equivalent, but to a consumer who is not trained in the mathematics of finance, this can be confusing. APR helps to standardize how interest rates are compared, so that a 10% loan is not made ...