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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. In the system of Greek numerals, it has a value of 7. It was derived from the Phoenician letter zayin.
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 lowercase letter a: This letter is often handwritten as the single-storey "ɑ" (a circle and a vertical line adjacent to the right of the circle) instead of the double-storey "a" found in many fonts. (See: A#Typographic variants) The lowercase letter g: In Polish, this letter is often rendered with a straight descender without a hook or ...
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.
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.
In Polish, the character Ƶ is used as an allographic variant of the letter Ż (called "Z with overdot") although once used in Old Polish. In Greek, the character Ƶ is a handwritten form of the letter Xi ξ , where the horizontal stroke distinguishes it from Zeta ζ .
As customary, the Cyrillic script has a stiffer structure, but both letters have common roots in historical cursive forms of the Greek letter zeta Ζ ζ . [ citation needed ] However, Latin ezh and Cyrillic ze represent different phonemes: the former generally represents /ʒ/ , while the latter represents /z/.
The shape of the letter originally looked similar to a Greek letter Ζ or Latin letter Z with a tail on the bottom (ꙁ). Though a majuscule form of this variant (Ꙁ) is encoded in Unicode, historically it was only used as caseless or lowercase. [1] In the Cyrillic numeral system, Zemlja had a value of 7.