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β (other)
β or -> may refer to: * one of the Arrow (symbol), arrow symbols, characters of Unicode * one of the arrow keys, on a keyboard * β, >, representing the assignment (computer science), assignment operator in various programming languages * ->, a Pointer (computer programming), Pointer operator in C and C++ where a->b is synonymous with (*a).b (except when either -> or * has been overridden in C++). * β, goto in the APL (programming language), APL programming language * β, representing the direction of a chemical reaction in a chemical equation * β, representing the set of all mathematical functions that map from one set to another in set theory * β, representing a Material conditional, material implication in logic * β, representing morphism in category theory * β, representing a vector (geometric), vector in physics and mathematics * the relative direction of right or forward * β, a notation of Conway chained arrow notation for very large integers * "Due to" (and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arrow (symbol)
An arrow is a graphical symbol, such as β or β, or a pictogram, used to point or indicate direction. In its simplest form, an arrow is a triangle, chevron, or concave kite, usually affixed to a line segment or rectangle, and in more complex forms a representation of an actual arrow (e.g. β΅ U+27B5). The direction indicated by an arrow is the one along the length of the line or rectangle toward the single pointed end. History An older (medieval) convention is the manicule (pointing hand, π). Pedro Reinel in c. 1504 first used the fleur-de-lis as indicating north in a compass rose; the convention of marking the eastern direction with a cross is older (medieval). Use of the arrow symbol does not appear to pre-date the 18th century. An early arrow symbol is found in an illustration of Bernard Forest de BΓ©lidor's treatise ''L'architecture hydraulique'', printed in France in 1737. The arrow is here used to illustrate the direction of the flow of water and of the wat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
