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Despite these differences, all reduced-size glyphs go by the same generic terms subscript and superscript, which are synonymous with the terms inferior letter (or number) and superior letter (or number), respectively. Most fonts that contain superscript/subscript will have predetermined size and orientation that is dependent on the design of ...
The difference between superscript/subscript and numerator/denominator glyphs. In many popular computer fonts the Unicode "superscript" and "subscript" characters are actually numerator and denominator glyphs. Unicode has subscripted and superscripted versions of a number of characters including a full set of Arabic numerals. [1]
The {} and {} templates are useful shortcuts to the HTML markup. Do not use the Unicode subscripts and superscripts ² and ³, or XML/HTML character entity references (² etc.). Rather, write <sup>2</sup> and <sup>3</sup> to produce the superscripts 2 and 3. The superscripted 2 and 3 are easier to read, especially on small displays, and ...
Superscripts and Subscripts is a Unicode block containing superscript and subscript numerals, mathematical operators, and letters used in mathematics and phonetics. The use of subscripts and superscripts in Unicode allows any polynomial, chemical and certain other equations to be represented in plain text without using any form of markup like HTML or TeX.
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
superscript plus sign u+207b ⁻ superscript minus u+207c ⁼ superscript equals sign u+207d ⁽ superscript left parenthesis u+207e ⁾ superscript right parenthesis u+208a ₊ subscript plus sign u+208b ₋ subscript minus u+208c ₌ subscript equals sign u+208d ₍ subscript left parenthesis u+208e ₎ subscript right parenthesis
However, others simply constitute rich text presentation forms of other Greek, Latin and numeral characters. These rich text superscript and subscript characters therefore properly belong to this category of rich text compatibility characters. Most of these are in the "Superscripts and Subscripts" or the "Basic Latin" blocks.
The entity must either be predefined (built into the markup language) or explicitly declared in a Document Type Definition (DTD). The format is the same as for any entity reference: &name; where name is the case-sensitive name of the entity. The semicolon is required.