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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 ...
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 ('').
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:
This may be confusing in the common case where several methods are used in the same article. Moreover, mathematicians who are used to reading and writing texts written with LaTeX often find the raw HTML rendering awful. So, raw HTML should normally not be used for new content. However, raw HTML is still present in many mathematical articles.
Superscripts and subscripts of arbitrary height can be done with the \raisebox{<dimen>}{<text>} command: the first argument is the amount to raise, and the second is the text; a negative first argument will lower the text. In this case the text is not resized automatically, so a sizing command can be included, e.g. go\raisebox{1ex}{\large home}.
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.
Thumbnailing a picture is similar to framing because it, again, automatically aligns it to the right. What's different about thumbnails is that now you have room to write text below it and can change the size. (Like a photograph from a camera) To thumbnail a picture type in: [[File:Cscr-featured.svg|thumb]] Which will appear like this:
For anyone considering whether to use these or not: The Unicode Consortium and current HTML/CSS guidelines recommend using markup (such as <sup>) which will look more consistent. However if the reader copy/pastes text with markup they will often lose said markup when they paste the text. ―MJBurrage (T•C) 16:21, 8 January 2016 (UTC)