symbols-a4

Table 173: MnSymbol Extensible Accents
abc \overbrace{abc}
abc \underbrace{abc}
abc \overgroup{abc} abc \undergroup{abc}
abc \overlinesegment{abc} abc
↼
abc \overleftharpoon{abc}
\underlinesegment{abc}
⇀
abc \overrightharpoon{abc}
âbc \widehat{abc} ãbc \widetilde{abc}
abc \wideparen{abc}
Table 174: mathtools Extensible Accents
abc \overbrace{abc}
abc \underbrace{abc}
abc \overbracket{abc} ∗ abc \underbracket{abc} ∗
∗ \overbracket and \underbracket accept optional arguments that specify the
bracket height and thickness. See the mathtools documentation for more information.
Table 175: mathabx Extensible Accents
abc \overbrace{abc} abc \widebar{abc}
abc \overgroup{abc} abc \widecheck{abc}
abc \underbrace{abc} abc \wideparen{abc}
abc \undergroup{abc}
abc \widearrow{abc}
˚abc \widering{abc}
The braces shown for \overbrace and \underbrace appear in their minimum size.
They can expand arbitrarily wide, however.
Table 176: fourier Extensible Accents
abc \widearc{abc} abc \wideparen{abc}
abc \wideOarc{abc}
60
˚abc \widering{abc}