Superscripts and Subscripts is a
Unicode block
A Unicode block is one of several contiguous ranges of numeric character codes (code points) of the Unicode character set that are defined by the Unicode Consortium for administrative and documentation purposes. Typically, proposals such as the ...
containing
superscript
A subscript or superscript is a character (such as a number or letter) that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text. Subscripts appear at or below the baseline, wh ...
and
subscript numerals, mathematical operators, and letters used in mathematics and phonetics. The use of subscripts and superscripts in Unicode allows any
polynomial
In mathematics, a polynomial is a Expression (mathematics), mathematical expression consisting of indeterminate (variable), indeterminates (also called variable (mathematics), variables) and coefficients, that involves only the operations of addit ...
,
chemical
A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. Chemical substances may take the form of a single element or chemical compounds. If two or more chemical substances can be combin ...
and certain other
equation
In mathematics, an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign . The word ''equation'' and its cognates in other languages may have subtly different meanings; for ...
s to be represented in plain text without using any form of
markup like
HTML
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets ( ...
or
TeX
Tex, TeX, TEX, may refer to:
People and fictional characters
* Tex (nickname), a list of people and fictional characters with the nickname
* Tex Earnhardt (1930–2020), U.S. businessman
* Joe Tex (1933–1982), stage name of American soul singer ...
. Other superscript letters can be found in the
Spacing Modifier Letters,
Phonetic Extensions and
Phonetic Extensions Supplement blocks, while the superscript 1, 2, and 3, inherited from
ISO 8859-1
ISO/IEC 8859-1:1998, ''Information technology— 8-bit single-byte coded graphic character sets—Part 1: Latin alphabet No. 1'', is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 19 ...
, were included in the
Latin-1 Supplement block.
Block
History
The following Unicode-related documents record the purpose and process of defining specific characters in the Superscripts and Subscripts block:
See also
*
Unicode superscripts and subscripts
*
Phonetic symbols in Unicode
*
Latin script in Unicode
References
{{reflist
Unicode blocks
Latin-script Unicode blocks