Story: In mathematics, x is commonly used as the name for an independent variable or unknown value. The modern tradition of using x to represent an unknown was introduced by René Descartes in La Géométrie (1637). As a result of its use in algebra, X is often used to represent unknowns in other circumstances. In the Cartesian coordinate system, x is used to refer to the horizontal axis. This concept is to explore unknown technology in administration affairs.
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In-stock: Uniregistrar Corp
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