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The text-only form of the LaTeX can be set via user preferences at My Preferences – Appearance – Math. The hidden MathML can be used by screen readers and other assistive technology. To display the MathML in Firefox: Install the Native MathML extension; Or copy its CSS rules to your Wikipedia user stylesheet.
The subscripts and superscripts are set in upright font, in keeping with normal practice for numerals and descriptive subscripts. To set the superscript or subscript in oblique font, as for a subscript that itself is a variable, use the HTML <var>...</var> or <i>...</i> tags, or the wikimarkup for italics ('').
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 ...
These characters allow any polynomial, chemical and certain other equations to be represented in plain text without using any form of markup like HTML or TeX. The World Wide Web Consortium and the Unicode Consortium have made recommendations on the choice between using markup and using superscript and subscript characters:
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 Wiki syntax, subscript text is produced by putting it inside the tags <sub> and </sub>. Similarly, superscripts are produced with <sup> and </sup> . [ 7 ] The exact size and position of the resulting characters will vary by font and browser, but are usually reduced to around 75% original size.
Superscripts and Subscripts Official ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
This is equivalent to writing <sub><sub>Text to be subscripted twice</sub></sub>. See also This page was last edited on 17 July 2012, at 21:11 ...