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‘^’ and ‘_’ are used to indicate super- and subscripts. To increase the readability of ASCII text, it is not necessary, but OK, to surround multi-character sub- and superscripts with curly braces. For example
The radius of the sun is R_sun = 6.96 x 10^8 m. On the other hand, the radius of Alpha Centauri is R_{Alpha Centauri} = 1.28 x R_{sun}.
If you write a text where the underscore is often used in a different
context, Org’s convention to always interpret these as subscripts can
get in your way. Configure the variable org-use-sub-superscripts
to
change this convention. For example, when setting this variable to
{}
, ‘a_b’ is not interpreted as a subscript, but ‘a_{b}’ is.
org-toggle-pretty-entities
)This command formats sub- and superscripts in a WYSIWYM way.