Typographical conventions in mathematical formulae | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-14

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Typographical_conventions_in_mathematical_formulae


00:00:38 1 International recommendations
00:01:47 2 General rules in American mathematical typography
00:04:27 3 See also
00:08:29 4 References



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SUMMARY
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Typographical conventions in mathematical formulae provide uniformity across mathematical texts and help the readers of those texts to grasp new concepts quickly.
Mathematical notation includes letters from various alphabets, as well as special mathematical symbols. Letters in various fonts often have specific, fixed meanings in particular areas of mathematics. A mathematical article or a theorem typically starts from the definitions of the introduced symbols, such as: "Let G = (V, E) be a graph with the vertex set V and edge set E...". Theoretically it is admissible to write "Let X = (a, q) be a graph with the vertex set a and edge set q..."; however, this would decrease readability, since the reader has to consciously memorize these unusual notations in a limited context.
Usage of subscripts and superscripts is also an important convention. In the early days of computers with limited graphical capabilities for text, subscripts and superscripts were represented with the help of additional notation. In particular, n2 could be written as n^2 or n**2 (the latter borrowed from FORTRAN) and n2 could be written as n_2.