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  2. Rate of return - Wikipedia

    en.wikipedia.org/wiki/Rate_of_return

    The return, or the holding period return, can be calculated over a single period.The single period may last any length of time. The overall period may, however, instead be divided into contiguous subperiods. This means that there is more than one time period, each sub-period beginning at the point in time where the previous one ended. In such a case, where there are

  3. Return on investment - Wikipedia

    en.wikipedia.org/wiki/Return_on_investment

    As the duration of this investment is 1 year, this ROI is annual. For a single-period review, divide the return (net profit) by the resources that were committed (investment): [3] return on investment = Net income / Investment where: Net income = gross profit − expenses. investment = stock + market outstanding [when defined as?] + claims. or

  4. Return on marketing investment - Wikipedia

    en.wikipedia.org/wiki/Return_on_marketing_investment

    ISBN 1-56318-053-7; Ambler, Tim., Marketing and the Bottom Line (2004) FT Press. ISBN 0-273-66194-9; Aspatore Books Staff, Improving Marketing ROI: Leading CMOs on Adding Value, Calculating Return on Investments, and Creating a Financial Impact (2006) Aspatore Books. ISBN 1-59622-434-7

  5. Division by two - Wikipedia

    en.wikipedia.org/wiki/Division_by_two

    An orange that has been sliced into two halves. In mathematics, division by two or halving has also been called mediation or dimidiation. [1] The treatment of this as a different operation from multiplication and division by other numbers goes back to the ancient Egyptians, whose multiplication algorithm used division by two as one of its fundamental steps. [2]

  6. Time-weighted return - Wikipedia

    en.wikipedia.org/wiki/Time-weighted_return

    The time-weighted return (TWR) [1] [2] is a method of calculating investment return, where returns over sub-periods are compounded together, with each sub-period weighted according to its duration. The time-weighted method differs from other methods of calculating investment return, in the particular way it compensates for external flows.

  7. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    Take each digit of the number (371) in reverse order (173), multiplying them successively by the digits 1, 3, 2, 6, 4, 5, repeating with this sequence of multipliers as long as necessary (1, 3, 2, 6, 4, 5, 1, 3, 2, 6, 4, 5, ...), and adding the products (1×1 + 7×3 + 3×2 = 1 + 21 + 6 = 28). The original number is divisible by 7 if and only if ...

  8. Divisor - Wikipedia

    en.wikipedia.org/wiki/Divisor

    The divisors of 10 illustrated with Cuisenaire rods: 1, 2, 5, and 10 In mathematics , a divisor of an integer n , {\displaystyle n,} also called a factor of n , {\displaystyle n,} is an integer m {\displaystyle m} that may be multiplied by some integer to produce n . {\displaystyle n.} [ 1 ] In this case, one also says that n {\displaystyle n ...

  9. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    It has the symbols I, V, X, L, C, D, M as its basic numerals to represent the numbers 1, 5, 10, 50, 100, 500, and 1000. [33] A numeral system is positional if the position of a basic numeral in a compound expression determines its value. Positional numeral systems have a radix that acts as a multiplicand of the different positions. For each ...