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Upside-down marks, simple in the era of hand typesetting, were originally recommended by the Real Academia Española (Royal Spanish Academy), in the second edition of the Ortografía de la lengua castellana (Orthography of the Castilian language) in 1754 [3] recommending it as the symbol indicating the beginning of a question in written Spanish—e.g. "¿Cuántos años tienes?"
The Centro de Investigación en Matemáticas (CIMAT) is a Mexican mathematical research center. The name means "Center for Research in Mathematics" in Spanish . It is based in the city of Guanajuato , in the homonym State of Guanajuato , in central Mexico , and was established in the year 1980.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.
The less-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an acute angle at the left, <, has been found in documents dated as far back as the 1560s.
The feasible regions of linear programming are defined by a set of inequalities.. In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. [1]
Orders, decorations, and medals of Mexico (2 C, 9 P) Pages in category "National symbols of Mexico" The following 19 pages are in this category, out of 19 total.
Inequality is a state in which two or more things are not equal. In mathematics, inequality is a relation between two quantities when they are different. In other contexts, inequality is the unequal distribution of resources or rewards in an economy or society; specifically it may refer to:
Three examples of the triangle inequality for triangles with sides of lengths x, y, z.The top example shows a case where z is much less than the sum x + y of the other two sides, and the bottom example shows a case where the side z is only slightly less than x + y.