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  2. Decimalisation - Wikipedia

    en.wikipedia.org/wiki/Decimalisation

    Decimalisation or decimalization (see spelling differences) is the conversion of a system of currency or of weights and measures to units related by powers of 10.. Most countries have decimalised their currencies, converting them from non-decimal sub-units to a decimal system, with one basic currency unit and sub-units that are valued relative to the basic unit by a power of 10, most commonly ...

  3. Real and nominal value - Wikipedia

    en.wikipedia.org/wiki/Real_and_nominal_value

    Comparison of real and nominal gas prices 1996 to 2016, illustrating the formula for conversion. Here the base year is 2016. The price index is applied to adjust the nominal value Q {\displaystyle Q} of a quantity, such as wages or total production, to obtain its real value.

  4. Template:To USD - Wikipedia

    en.wikipedia.org/wiki/Template:To_USD

    Template to convert other currencies into United States dollars, by year, based on information from the International Monetary Fund Template parameters [Edit template data] Parameter Description Type Status Amount 1 value in foreign currency to convert to USD Example 22816 Number required Country code 2 country ISO 3166-1 alpha-3 country code Example MEX Line required year year Year to convert ...

  5. Equation of exchange - Wikipedia

    en.wikipedia.org/wiki/Equation_of_exchange

    In monetary economics, the equation of exchange is the relation: = where, for a given period, is the total money supply in circulation on average in an economy. is the velocity of money, that is the average frequency with which a unit of money is spent.

  6. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.

  7. Change-making problem - Wikipedia

    en.wikipedia.org/wiki/Change-making_problem

    It is a special case of the integer knapsack problem, and has applications wider than just currency. It is also the most common variation of the coin change problem , a general case of partition in which, given the available denominations of an infinite set of coins, the objective is to find out the number of possible ways of making a change ...

  8. Currency pair - Wikipedia

    en.wikipedia.org/wiki/Currency_pair

    A currency pair is the quotation of the relative value of a currency unit against the unit of another currency in the foreign exchange market. The currency that is used as the reference is called the counter currency, quote currency, or currency [1] and the currency that is quoted in relation is called the base currency or transaction currency.

  9. Dimensional analysis - Wikipedia

    en.wikipedia.org/wiki/Dimensional_analysis

    A simple application of dimensional analysis to mathematics is in computing the form of the volume of an n-ball (the solid ball in n dimensions), or the area of its surface, the n-sphere: being an n-dimensional figure, the volume scales as x n, while the surface area, being (n − 1)-dimensional, scales as x n−1.