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  2. Conversion of scales of temperature - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_scales_of...

    This is a collection of temperature conversion formulas and comparisons among eight different temperature scales, several of which have long been obsolete.. Temperatures on scales that either do not share a numeric zero or are nonlinearly related cannot correctly be mathematically equated (related using the symbol =), and thus temperatures on different scales are more correctly described as ...

  3. Ghanaian cedi - Wikipedia

    en.wikipedia.org/wiki/Ghanaian_cedi

    The second cedi was initially pegged to sterling at a rate of ₵2 = £1. However, within months, the second cedi was devalued to a rate of ₵2.45 = £1, less than the initial value of the first cedi. This rate was equivalent to ₵1 = 0.98 U.S. dollars and the rate to the dollar was maintained when sterling was devalued in November 1967 ...

  4. List of currencies in Africa - Wikipedia

    en.wikipedia.org/wiki/List_of_currencies_in_Africa

    African currency was originally formed from basic items, materials, animals and even people available in the locality to create a medium of exchange. This started to change from the 17th century onwards, as European colonial powers introduced their own monetary system into the countries they invaded.

  5. List of countries by exchange rate regime - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    De facto exchange-rate arrangements in 2022 as classified by the International Monetary Fund. Floating ( floating and free floating ) Soft pegs ( conventional peg , stabilized arrangement , crawling peg , crawl-like arrangement , pegged exchange rate within horizontal bands )

  6. 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.

  7. Fahrenheit - Wikipedia

    en.wikipedia.org/wiki/Fahrenheit

    For an exact conversion between degrees Fahrenheit and Celsius, and kelvins of a specific temperature point, the following formulas can be applied. Here, f is the value in degrees Fahrenheit, c the value in degrees Celsius, and k the value in kelvins: f °F to c °C: c = ⁠ f − 32 / 1.8 ⁠ c °C to f °F: f = c × 1.8 + 32

  8. Exchange rate - Wikipedia

    en.wikipedia.org/wiki/Exchange_rate

    For example, in a conversion from EUR to AUD, EUR is the fixed currency, AUD is the variable currency and the exchange rate indicates how many Australian dollars would be paid or received for 1 euro. In some areas of Europe and in the retail market in the United Kingdom , EUR and GBP are reversed so that GBP is quoted as the fixed currency to ...

  9. Temperature - Wikipedia

    en.wikipedia.org/wiki/Temperature

    In the United States, the Fahrenheit scale is the most widely used. On this scale the freezing point of water corresponds to 32 °F and the boiling point to 212 °F . The Rankine scale, still used in fields of chemical engineering in the US, is an absolute scale based on the Fahrenheit increment.