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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. By providing uniformity over numerous mathematical articles and books, these conventions help to read mathematical formulas. These also may be used to differentiate between concepts that share a letter in a single problem.
Miscellaneous Symbols is a Unicode block (U+2600–U+26FF) containing glyphs representing concepts from a variety of categories: astrological, astronomical, chess, dice, musical notation, political symbols, recycling, religious symbols, trigrams, warning signs, and weather, among others.
Letterlike Symbols is a Unicode block containing 80 characters which are constructed mainly from the glyphs of one or more letters. In addition to this block, Unicode includes full styled mathematical alphabets, although Unicode does not explicitly categorise these characters as being "letterlike".
In computing, a Unicode symbol is a Unicode character which is not part of a script used to write a natural language, but is nonetheless available for use as part of a text.
Phonetic Extensions is a Unicode block containing phonetic characters used in the Uralic Phonetic Alphabet, Old Irish phonetic notation, the Oxford English dictionary and American dictionaries, and Americanist and Russianist phonetic notations. Its character set is continued in the following Unicode block, Phonetic Extensions Supplement.
Miscellaneous Mathematical Symbols-A is a Unicode block containing characters for mathematical, logical, and database notation.
Miscellaneous Mathematical Symbols-B is a Unicode block containing miscellaneous mathematical symbols, including brackets, angles, and circle symbols.
Supplemental Punctuation is a Unicode block containing historic and specialized punctuation characters, including biblical editorial symbols, ancient Greek punctuation, and German dictionary marks.
Mathematical Operators is a Unicode block containing characters for mathematical, logical, and set notation.
In the Unicode standard, a plane is a continuous group of 65,536 (216) code points. There are 17 planes, identified by the numbers 0 to 16, which corresponds with the possible values 00–1016 of the first two positions in six position hexadecimal format (U+hhhhhh). Plane 0 is the Basic Multilingual Plane (BMP), which contains most commonly used characters. The higher planes 1 through 16 are called "supplementary planes". The last code point in Unicode is the last code point in plane 16, U+10FFFF. As of Unicode version 15.0, five of the planes have assigned code points (characters), and seven are named.
Musical Symbols is a Unicode block containing characters for representing modern musical notation. Fonts that support it include Bravura, Euterpe, FreeSerif, Musica and Symbola. The Standard Music Font Layout (SMuFL), which is supported by the MusicXML format, expands on the Musical Symbols Unicode Block's 220 glyphs by using the Private Use Area in the Basic Multilingual Plane, permitting close to 2600 glyphs.
Byzantine Musical Symbols is a Unicode block containing characters for representing musical notation for Byzantine music.
Ancient Greek Numbers is a Unicode block containing acrophonic numerals used in ancient Greece, including ligatures and special symbols.
Ancient Symbols is a Unicode block containing Roman characters for currency, weights, and measures.
Old Italic is a Unicode block containing a unified repertoire of several Old Italic scripts used in various parts of Italy starting about 700 BCE, including the Etruscan alphabet and others that were derived from it. All those languages went extinct by about the 1st century BCE; except Latin, which however evolved its own Latin alphabet that is covered by other Unicode blocks.
Sutton SignWriting is a Unicode block containing characters used in SignWriting, a system for writing sign languages that was developed by Valerie Sutton in 1974.
Chess Symbols is a Unicode block containing characters for fairy chess and related notations beyond the basic Western chess symbols in the Miscellaneous Symbols block, as well as symbols representing game pieces for xiangqi.
A number of Greek letters, variants, digits, and other symbols are supported by the Unicode character encoding standard.
Znamenny Musical Notation is a Unicode block containing characters for Znamenny musical notation from Russia.
References
- ↑ "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
- ↑ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.