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Delta (/ ˈ d ɛ l t ə /; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, ) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals , it has a value of four. It was derived from the Phoenician letter dalet 𐤃. [ 3 ]
Tri Delta's colors and three deltas may be used in place of the official crest. The Greek alphabet letters Delta Delta Delta (ΔΔΔ) are the official symbols.The dolphin is recognized as an additional symbol as it was considered to be a good omen by the ancient Greeks.
the Kronecker delta function [3] the Feigenbaum constants [4] the force of interest in mathematical finance; the Dirac delta function [5] the receptor which enkephalins have the highest affinity for in pharmacology [6] the Skorokhod integral in Malliavin calculus, a subfield of stochastic analysis; the minimum degree of any vertex in a given graph
Delta commonly refers to: Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet
The nabla is a triangular symbol resembling an inverted Greek delta: [1] or ∇. The name comes, by reason of the symbol's shape, from the Hellenistic Greek word νάβλα for a Phoenician harp, [2] [3] and was suggested by the encyclopedist William Robertson Smith in an 1870 letter to Peter Guthrie Tait.
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. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
But in reality, the Delta symbol traces its origins all the way back to the Greek alphabet. Here, the evolution of the Delta is traced from those ancient beginnings, through the development of rocketry the space race of the 20th Century, all the way to the present day with the founding of the sixth branch of the American armed forces.
The symbol was introduced originally in 1770 by Nicolas de Condorcet, who used it for a partial differential, and adopted for the partial derivative by Adrien-Marie Legendre in 1786. [3] It represents a specialized cursive type of the letter d , just as the integral sign originates as a specialized type of a long s (first used in print by ...