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Example of subscript and superscript. In each example the first "2" is professionally designed, and is included as part of the glyph set; the second "2" is a manual approximation using a small version of the standard "2". The visual weight of the first "2" matches the other characters better.
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.
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]
For singular ordinal numbers, shortened forms use the feminine (ª) and masculine (º) ordinal indicators, [6] rather than the superscript a and o, except in ordinal numbers ending in -er (only before masculine singular sustantives for ordinal numbers whose cardinal equivalent finishes in 1 and 3, except with the 11.º variant spelled undécimo).
Exponentiation is indicated using a superscript: 2 2 = 4 using 2{{sup|2}} = 4. Special care is needed with subscripted labels to distinguish the purpose of the subscript (as this is a common error): variables and constants in subscripts should be italic, while textual labels should be in normal text font (Roman, upright). For example:
Some subscript and superscript form characters Many of the subscript and superscript characters are actually semantically distinct characters from the International Phonetic Alphabet and other writing systems and do not really fall in the category of rich text. However, others simply constitute rich text presentation forms of other Greek, Latin ...
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
As of Unicode version 16.0, there are 155,063 characters with code points, covering 168 modern and historical scripts, as well as multiple symbol sets.This article includes the 1,062 characters in the Multilingual European Character Set 2 subset, and some additional related characters.