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Delta (/ ˈ d ɛ l t ə / DEL-tə; [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] Letters that come from delta include the Latin D and the Cyrillic Д.
Letters: Uppercase. U+00C0 À 192 0303 0200 À Latin Capital Letter A with grave: 0128 U+00C1 Á ... Latin Small Letter Turned Delta U+018E
Former letter of the English, German, Sorbian, and Latvian alphabets Ꟊ ꟊ S with short stroke overlay Used for tau gallicum in Gaulish [10] S with diagonal stroke Used for Cupeño and Luiseño [30] Ꞅ ꞅ Insular S Variant of s [9] [3] Ƨ: Reversed S (Tone two) A letter used in the Zhuang language from 1957 to 1986 to indicate its ...
The Bayer designation naming scheme for stars typically uses the first Greek letter, α, for the brightest star in each constellation, and runs through the alphabet before switching to Latin letters. In mathematical finance , the Greeks are the variables denoted by Greek letters used to describe the risk of certain investments.
Historically, upper-case letters were used for representing points in geometry, and lower-case letters were used for variables and constants. Letters are used for representing many other types of mathematical object. As the number of these types has increased, the Greek alphabet and some Hebrew letters have also come to be used
Latin Small Letter Delta: Additional letters for Vietnamese: U+1EA0 Ạ Latin Capital Letter A with dot below U+1EA1 ạ Latin Small Letter A with dot below U+1EA2 Ả Latin Capital Letter A with hook above U+1EA3 ả Latin Small Letter A with hook above U+1EA4 Ấ Latin Capital Letter A with circumflex and acute U+1EA5 ấ
Mathematical Alphanumeric Symbols is a Unicode block comprising styled forms of Latin and Greek letters and decimal digits that enable mathematicians to denote different notions with different letter styles. The letters in various fonts often have specific, fixed meanings in particular areas of mathematics.
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 Leibniz in 1686). Use of the symbol was discontinued by Legendre, but it was taken up again by Carl Gustav Jacob Jacobi in 1841, [ 4 ] whose usage became widely adopted.