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  2. NTU method - Wikipedia

    en.wikipedia.org/wiki/NTU_Method

    The number of transfer units (NTU) method is used to calculate the rate of heat transfer in heat exchangers (especially parallel flow, counter current, and cross-flow exchangers) when there is insufficient information to calculate the log mean temperature difference (LMTD). Alternatively, this method is useful for determining the expected heat ...

  3. List of circulating fixed exchange rate currencies - Wikipedia

    en.wikipedia.org/wiki/List_of_circulating_fixed...

    This is a list of circulating fixed exchange rate currencies, ... Euro: 1.95583 Brunei dollar: Singapore dollar: 1 Bulgarian lev: Euro: 1.95583 Cape Verdean escudo:

  4. Euro Currency Index - Wikipedia

    en.wikipedia.org/wiki/Euro_Currency_Index

    The Euro Currency Index (ECX, also EURX or EXY) was launched on 13 January 2006 by the New York Board of Trade (NYBOT) and calculated back to 2001. [5] In 2007, the IntercontinentalExchange (ICE) based in Atlanta (USA) changed the name of the stock exchange in IntercontinentalExchange [6] The index was a ratio that compared the value of the euro by a currency basket of five currencies: US ...

  5. Currency pair - Wikipedia

    en.wikipedia.org/wiki/Currency_pair

    Alternatively the slash may be omitted, or replaced by either a dot or a dash. A widely traded currency pair is the relation of the euro against the US dollar, designated as EUR/USD. The quotation EUR/USD 1.2500 means that one euro is exchanged for 1.2500 US dollars. Here, EUR is the base currency and USD is the quote currency (counter currency).

  6. List of countries by exchange rate regime - Wikipedia

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

    De Facto Classification of Exchange Rate Arrangements, as of April 30, 2021, and Monetary Policy Frameworks [2] Exchange rate arrangement (Number of countries) Exchange rate anchor Monetary aggregate target (25) Inflation Targeting framework (45) Others (43) US Dollar (37) Euro (28) Composite (8) Other (9) No separate legal tender (16) Ecuador ...

  7. Exchange rate - Wikipedia

    en.wikipedia.org/wiki/Exchange_rate

    The spot exchange rate is the current exchange rate, while the forward exchange rate is an exchange rate that is quoted and traded today but for delivery and payment on a specific future date. In the retail currency exchange market, different buying and selling rates will be quoted by money dealers.

  8. U.S. Dollar Index - Wikipedia

    en.wikipedia.org/wiki/U.S._Dollar_Index

    US Dollar Index and major financial events. The U.S. Dollar Index (USDX, DXY, DX, or, informally, the "Dixie") is an index (or measure) of the value of the United States dollar relative to a basket of foreign currencies, [1] often referred to as a basket of U.S. trade partners' currencies. [2]

  9. Parts-per notation - Wikipedia

    en.wikipedia.org/wiki/Parts-per_notation

    At 10 000 ppm the solution is a deep red colour. As the concentration decreases the colour becomes orange, then a vibrant yellow, with the final 1 ppm sample a very pale yellow. In science and engineering , the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities , e.g. mole fraction or ...