Appendix:Superscript

Typographical usage
[superscript]


 * 1)  Indicates the exponent (either as a number, or as a letter variable) in a power expression.
 * 3²=9
 * 2ⁿ=16 for n=4
 * 1) * 2010, "", season 6, episode 7 of 
 * [Fry, Bender and Professor Farnsworth are inside a time machine, travelling through the far future. Eventually, they watch the end of the universe.]
 * Professor Farnsworth: The last proton should be decaying about now.
 * [written on the time machine display]: YEAR 1×1040 AD
 * Fry: Bye, last proton.
 * 1)  Indicates the number of neutrons of an isotope.
 * ³He
 * 1)  The plus (+) or minus (−) sign indicate the charge of ions and subatomic particles. Usually, they are accompanied by a number, except when the number would be 1.
 * Na⁺Cl⁻
 * 1)  Coloring of the superscript sound onto another, or a weak, fleeting or epenthetic sound.
 * 2) Used for symbols that are secondary to the main text, such as ™, ℠, ®.
 * 3) Footnotes and annotations. e.g. *, **, †, ‡

Typographical usage
[superscript]


 * 1) Optionally used in abbreviations of ordinal numbers: 1ˢᵗ, 2ⁿᵈ, 3ʳᵈ, 4ᵗʰ = 1st, 2nd, 3rd, 4th.

Typographical usage
[superscript]


 * 1) Used in the abbreviations of ordinal numbers: 1º, 2º, 3º, 4º.
 * 2) Used in the abbreviations of some forms of address: ex.ᵐᵒ = excelentíssimo; m.ᵐᵒ = meritíssimo.

Typographical usage
[superscript]


 * 1) Used in the abbreviations of ordinal numbers: 1º, 2º, 3º, 4º.