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In mathematics, the complex plane is the plane formed by the complex numbers, with a Cartesian coordinate system such that the horizontal x -axis, called the real axis, is formed by the real number

Gaborone (UK: /ˌ ɡ æ b ə ˈ r oʊ n i , ˌ h æ b -/ GAB -ə-ROH -nee, HAB -,US: /ˌ ɡ ɑː b ə ˈ r oʊ n i , -n eɪ / GAH -bə-ROH -nee, -⁠nay,Tswana: [χabʊˈrʊnɛ] ) is the capital and largest city of Botswan

White Plains is a city in and the county seat of Westchester County, New York, United States. It is an inner suburb of New York City, and a commercial hub of Westchester County, a densely populated

Burkina Faso is a landlocked country in West Africa, bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the south, and Ivory Coast to the southwest

Operetta is a form of theatre and a genre of light opera. It includes spoken dialogue, songs and including dances. It is lighter than opera in terms of its music, orchestral size, and length of the

This article should specify the language of its non-English content, using {{ lang}} , {{ transliteration}} for transliterated languages, and {{ IPA}} for phonetic transcriptions, with an appropria

In mathematics, a Cauchy sequence is a sequence whose elements become arbitrarily close to each other as the sequence progresses. More precisely, given any small positive distance, all excluding a

Jean Bartik (née Betty Jean Jennings; December 27, 1924 – March 23, 2011) was an American computer programmer who was one of the original six programmers of the ENIAC computer.Jean BartikBornBetty

A machine is a physical system that uses power to apply forces and control movement to perform an action. The term is commonly applied to artificial devices, such as those employing engines or moto