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112 is a common emergency telephone number that can be dialed free of charge from most mobile telephones, and in some countries, fixed telephones in order to reach emergency services (ambulance, fire and rescue, police). 112 is a part of the GSM standard and all GSM-compatible telephone handsets are able to dial 112 even when locked or, in some ...
The set-theoretic interpretation of b 0 is the number of functions from the empty set to a b-element set; there is exactly one such function, namely, the empty function. All three of these specialize to give 0 0 = 1. Polynomials and power series. When evaluating polynomials, it is convenient to define 0 0 as 1.
The symbol # is known variously in English-speaking regions as the number sign, hash, or pound sign. The symbol has historically been used for a wide range of purposes including the designation of an ordinal number and as a ligatured abbreviation for pounds avoirdupois – having been derived from the now-rare ℔ .
Capital One Arena is an indoor arena in Washington, D.C. Located in the Chinatown section of the larger Penn Quarter neighborhood, the arena sits atop the Gallery Place rapid transit station of the Washington Metro. The arena was opened on December 2, 1997 as MCI Center but renamed to Verizon Center in 2006 when MCI was acquired by Verizon ...
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1. International access. 011. List of dialing codes. The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably ...
US Mobile is an American mobile virtual network operator (MVNO) that uses the T-Mobile and Verizon Wireless networks to provide talk, text, and data services to their customers. The company was ranked 94th in the Inc 5000's fastest growing private companies with a 3,388% revenue growth over its first 3 full years of existence. [1]
An automatic number announcement circuit ( ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. The facility has a telephone number that may be called to listen to an automatic announcement that includes the caller's ...