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Eta (/ ˈ iː t ə, ˈ eɪ t ə / EE-tə, AY-tə; [1] uppercase Η, lowercase η; Ancient Greek: ἦτα ē̂ta or Greek: ήτα ita) is the seventh letter of the Greek alphabet, representing the close front unrounded vowel, .
Iota subscripts in the word ᾠδῇ, ("ode", dative) The iota subscript is a diacritic mark in the Greek alphabet shaped like a small vertical stroke or miniature iota ι placed below the letter. It can occur with the vowel letters eta η , omega ω , and alpha α .
The x must be lowercase in XML documents. The nnnn or hhhh may be any number of digits and may include leading zeros. The hhhh may mix uppercase and lowercase, though uppercase is the usual style. In contrast, a character entity reference refers to a character by the name of an entity which has the desired character as its replacement text.
The post 96 Shortcuts for Accents and Symbols: A Cheat Sheet appeared first on Reader's Digest. ... Note that to make most of the above letters upper or lowercase, you can just omit the shift key. ...
eta: angular jerk: radian per second cubed (rad⋅s −3) energy efficiency: unitless (dynamic) viscosity (also ) pascal second (Pa⋅s) theta: angular displacement: radian (rad) kappa: torsion coefficient also called torsion constant newton meter per radian (N⋅m/rad)
Type designers have created several designs for this new typographic lowercase form, one of them resembling a lowercase Latin h with a straight rightward horizontal bar. The Greek Heta codepoints are distinct from another set designed to represent the tack-shaped Claudian "Latin letter half H" ( Latin Extended-C ).
The most common superscript digits (1, 2, and 3) were included in ISO-8859-1 and were therefore carried over into those code points in the Latin-1 range of Unicode. The remainder were placed along with basic arithmetical symbols, and later some Latin subscripts, in a dedicated block at U+2070 to U+209F.
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.