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, whil ...

and

subscript 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, whil ...

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 an expression consisting of indeterminates (also called variables) and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables. An exampl ...

chemical A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., w ...

and certain other

equation In mathematics, an equation is a 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 example, in F ...

s to be represented in plain text without using any form of markup like

HTML The HyperText Markup Language or HTML is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaS ...

or TeX. Other superscript letters can be found in the

Spacing Modifier Letters Spacing Modifier Letters is a Unicode block containing characters for the IPA IPA commonly refers to: * India pale ale, a style of beer * International Phonetic Alphabet, a system of phonetic notation * Isopropyl alcohol, a chemical compound ...

Phonetic Extensions 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. ...

and

Phonetic Extensions Supplement Phonetic Extensions Supplement is a Unicode block containing characters for specialized and deprecated forms of the International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation ...

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 ...

, 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:

References

{{reflist Unicode blocks

Block

History

See also

References