Equivalent to the ordinary ASCII character with code 45.
As an overscript, used to indicate conjugation or negation.
Also used to indicate an average value or an upper value.
In geometry, used to denote a line segment.
As an underscript, used to indicate a lower value.
is interpreted as SuperMinus[x].
is interpreted as SubMinus[x].
Not the same as the letter-like form \[Dash].
See The Mathematica Book: Section 3.10.5.
See also: \[RawPlus] , \[HorizontalLine] .