## Skey-symmetirc symple: a^\hat{} b ## Example: $$a \times b = \begin{bmatrix} i & j & k \\\ a_1 & a_2 & a_3 \\\ b_1 & b_2 & b_3 \end{bmatrix} = \begin{bmatrix} a_2 b_3 - a_3 b_2 \\ a_3 b_1 - a_1 b_3 \\ a_1 b_2 - a_2 b_1 \end{bmatrix} = \begin{bmatrix} 0 & -a_3 & a_2 \\ a_3 & 0 & -a_1 \\ -a_2 & a_1 & 0 \end{bmatrix} b \triangleq a^\hat{} b$$ $$a \times b = \begin{bmatrix} i & j & k \\ a_1 & a_2 & a_3 \\ b_1 & b_2 & b_3 \end{bmatrix} = \begin{bmatrix} a_2 b_3 - a_3 b_2 \\ a_3 b_1 - a_1 b_3 \\ a_1 b_2 - a_2 b_1 \end{bmatrix} = \begin{bmatrix} 0 & -a_3 & a_2 \\ a_3 & 0 & -a_1 \\ -a_2 & a_1 & 0 \end{bmatrix} b \triangleq a^\hat{} b$$ ## Other methods sh \documentclass{standalone} \usepackage{upquote}% getting the right grave  (and not ‘)! \begin{document} \begin{tabular}{lcc} Input & Text & Math \\ \hline \verb|\string^| & \string^ & $\string^$ \\ \verb|\char\^| & \char\^ & $\char\^$ \\ \verb|\verb!^!| & \verb!^! & $\verb!^!$ \\ \hline \verb|\textasciicircum| & \textasciicircum & --- \\ \verb|\^{}| & \^{} (e.g. \^a) & --- \\ \hline \verb|\hat{}| & --- & $\hat{}$ (e.g. $\hat a$) \\ \verb|\wedge| & --- & $\wedge$ (e.g. $a\wedge b$) \\ \verb|\widehat{}| & --- & $\widehat{\ }$ (e.g. $\widehat{abc}$) \\ \end{tabular} \end{document}  ![i.stack.imgur.com/GA9lL.png](https://i.stack.imgur.com/GA9lL.png) ## Reference - https://tex.stackexchange.com/questions/77646/how-to-typeset-the-symbol-caret-circumflex-hat