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  2. Microsoft Exchange Server - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Exchange_Server

    Exchange Web Services (EWS), an alternative to the MAPI protocol, is a documented SOAP -based protocol introduced with Exchange Server 2007. Exchange Web Services is used by the latest version of Microsoft Entourage for Mac and Microsoft Outlook for Mac - since the release of Mac OS X Snow Leopard Mac computers running OS X include some support ...

  3. Exchange rate - Wikipedia

    en.wikipedia.org/wiki/Exchange_rate

    v. t. e. In finance, an exchange rate is the rate at which one currency will be exchanged for another currency. [1] Currencies are most commonly national currencies, but may be sub-national as in the case of Hong Kong or supra-national as in the case of the euro. [2]

  4. Ion exchange - Wikipedia

    en.wikipedia.org/wiki/Ion_exchange

    Ion exchange is a reversible interchange of one species of ion present in an insoluble solid with another of like charge present in a solution surrounding the solid. Ion exchange is used in softening or demineralizing of water, purification of chemicals, and separation of substances. Ion exchange usually describes a process of purification of ...

  5. Exchange Transfusion: Purpose, Procedure, and Preparation

    www.healthline.com/health/exchange-transfusion

    An exchange transfusion is a medical procedure that’s done by removing and replacing your blood with blood or plasma from a donor. This is done by using a catheter to transport blood into your ...

  6. Foreign exchange market - Wikipedia

    en.wikipedia.org/wiki/Foreign_exchange_market

    The foreign exchange market ( forex, FX (pronounced "fix"), or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices.

  7. Medium of exchange - Wikipedia

    en.wikipedia.org/wiki/Medium_of_exchange

    In economics, a medium of exchange is any item that is widely acceptable in exchange for goods and services. [1] In modern economies, the most commonly used medium of exchange is currency. Most forms of money are categorised as mediums of exchange, including commodity money, representative money, cryptocurrency, and most commonly fiat money.

  8. Exchange (organized market) - Wikipedia

    en.wikipedia.org/wiki/Exchange_(organized_market)

    Finance. corporate. personal. public. v. t. e. An exchange, bourse ( / bʊərs / ), trading exchange or trading venue is an organized market where (especially) tradable securities, commodities, foreign exchange, futures, and options contracts are bought and sold.

  9. What is an ETF? Learn about exchange-traded funds - AOL

    www.aol.com/finance/etf-learn-exchange-traded...

    ETFs trade on a stock exchange during the day, unlike mutual funds that trade only after the market closes. With an ETF you can place a trade whenever the market is open and know exactly the price ...

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