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The natural logarithm can be defined for any positive real number a as the area under the curve y = 1/x from 1 to a [4] (with the area being negative when 0 < a < 1 ). The simplicity of this definition, which is matched in many other formulas involving the natural logarithm, leads to the term "natural". The definition of the natural logarithm can then be extended to give logarithm values for ...
The symbol # is known variously in English-speaking regions as the number sign, [1] hash, [2] or pound sign. [3] 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 ℔.
Captain Kronos – Vampire Hunter is a 1974 British swashbuckling action horror film, written and directed by Brian Clemens, produced by Clemens and Albert Fennell for Hammer Film Productions, and starring Horst Janson, John Carson, Shane Briant, and Caroline Munro.
The swastika ( 卐 or 卍) is an ancient religious and cultural symbol, predominantly found in various Eurasian cultures, as well as some African and American ones. In the western world it is more widely recognized as a symbol of the German Nazi Party who appropriated it from Asian cultures starting in the early 20th century. The appropriation continues with its use by neo-Nazis around the ...
Kronos was a type of banking Windows malware first reported in 2014. It was sold for $7,000. [1] It was developed as a followup to the UPAS Kit which has been released in 2012. [2] Similar to Zeus, [3] it was focused on stealing banking login credentials from browser sessions via a combination of keylogging and web injection. [4]
Discrete logarithm. In mathematics, for given real numbers a and b, the logarithm log b a is a number x such that bx = a. Analogously, in any group G, powers bk can be defined for all integers k, and the discrete logarithm log b a is an integer k such that bk = a. In number theory, the more commonly used term is index: we can write x = ind r a ...
Facebook was then opened on September 26, 2006, to everyone aged 13 and older with a valid email address. [7] [8] Late in 2007, Facebook had 100,000 business pages, allowing companies to attract potential customers and tell about themselves.
Edward Joseph Snowden (born June 21, 1983) is an American and naturalized Russian citizen who as a former U.S. computer contractor leaked highly classified information from the National Security Agency (NSA) in 2013 when he was an employee and subcontractor. He is currently under indictment for espionage. [4] His disclosures revealed numerous global surveillance programs, many run by the NSA ...