"Anurag Sharma" <Anurag.Sharma@anu.edu.au> writes: > It seems u r trying to write hat on a symbol in math environment. > the command is \^{symbol}. Uh, no. That is a text accent, like you would use in words like f\^ete. In math, the accent is called \hat. -- David Kastrup, Kriemhildstr. 15, 44793 Bochum Email: David.Kastrup@t-online.de