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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.
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 .
Bold-face variables (such as vectors) and structures (such as Q, the rational numbers) Letters with an arrow on top for vectors; Symbols for chemical elements and compounds such as HCl; Symbols for units of measure such as kg, ft/s; Symbols for mathematical operators such as sin and ln; for example: sin x, ln (p/p 0)
With the addition of the Fraser alphabet to the Unicode standard in version 5.2, full (or at least near-full) support for upside-down capital letters is now available. Number support is incomplete; four numbers are universally strobogrammatic (0, 8, and 6/9), and the upside-down versions of numbers 2 and 3 have been provisionally assigned ...
The font was created by Adobe and has its own character encoding, with the Greek letters arranged according to similar Latin letters (Chi = C, etc.).The document describing the mapping to Unicode code points [2] was created before several of the characters were added to Unicode, so the original mapping assigns several of the characters to the Private Use Area (PUA).
In the days of text mode computing, Western characters were normally laid out in a grid on the screen, often 80 columns by 24 or 25 lines. Each character was displayed as a small dot matrix , often about 8 pixels wide, and a SBCS (single-byte character set) was generally used to encode characters of Western languages.
The official chart of the IPA, revised in 2020. The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script.It was devised by the International Phonetic Association in the late 19th century as a standard written representation for the sounds of speech. [1]
Unlike the Latin alphabet, the script has no concept of letter case. [15] It is written from left to right, has a strong preference for symmetrical rounded shapes within squared outlines, and is recognisable by a horizontal line, known as a शिरोरेखा śirorekhā , that runs along the top of full letters. [ 8 ]