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Zeta (UK: / ˈ z iː t ə /, US: / ˈ z eɪ t ə /; [1] uppercase Ζ, lowercase ζ; Ancient Greek: ζῆτα, Demotic Greek: ζήτα, classical [d͡zɛ̌ːta] or zē̂ta; Modern Greek: zíta) is the sixth letter of the Greek alphabet.
The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [2] [3] It was derived from the earlier Phoenician alphabet, [4] and is the earliest known alphabetic script to have developed distinct letters for consonants as well as vowels. [5]
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.
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.
In addition, the red alphabet also introduced letters for the aspirates, Φ = /pʰ/ and Ψ = /kʰ/. Note that the use of Χ in the "red" set corresponds to the letter "X" in Latin, while it differs from the later standard Greek alphabet, where Χ stands for /kʰ/, and Ψ stands for /ps/. Only Φ for /pʰ/ is common to all non-green alphabets.
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. Last letter of the Latin alphabet This article is about the letter of the Latin alphabet. For the Greek letter with the same symbol, see Zeta. For other uses, see Z (disambiguation). Z Z z Usage Writing system Latin script Type Alphabetic and logographic Language of origin Latin language ...
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The form of the "Z" symbol is a reproduction of the Latin letter Z, identical also to a capital Greek zeta. The "Z" symbol is used instead of the equivalent Cyrillic letter З (Ze) used in the Russian alphabet, which has been described as peculiar, considering the symbol's later association with Russian nationalism and pro-Putin politics. [27]