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The Greek alphabet on a black-figure pottery vessel, with an archaic chickenfoot-shaped psi. Psi / ˈ ( p ) s aɪ , ˈ ( p ) s iː / (P)SY , (P)SEE [ 1 ] (uppercase Ψ , lowercase ψ or 𝛙 ; Greek : ψι psi [ˈpsi] ) is the twenty-third and penultimate letter of the Greek alphabet and is associated with a numeric value of 700.
The OpenType font format has the feature tag "mgrk" ("Mathematical Greek") to identify a glyph as representing a Greek letter to be used in mathematical (as opposed to Greek language) contexts. The table below shows a comparison of Greek letters rendered in TeX and HTML. The font used in the TeX rendering is an italic style.
The table usually lists only one name and symbol that is most commonly used. The final column lists some special properties that some of the quantities have, such as their scaling behavior (i.e. whether the quantity is intensive or extensive ), their transformation properties (i.e. whether the quantity is a scalar , vector , matrix or tensor ...
The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...
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Traditional Greek units of measurement were standardized and used in modern Greece before and alongside the adoption of the metric system in 1836. Metric units were finally made legally compulsory in 1922.
This is a list of letters of the Greek alphabet. The definition of a Greek letter for this list is a character encoded in the Unicode standard that a has script property of "Greek" and the general category of "Letter". An overview of the distribution of Greek letters is given in Greek script in Unicode.
The following is a Unicode collation algorithm list of Greek characters and those Greek-derived characters that are sorted alongside them. [2] [3] [4]Most of the characters of the blocks listed above are included, except for the Ancient Greek Numbers, Ancient Symbols and Ancient Greek Musical Notation.