TeXworks ⇒ Formula cannot be displayed normally

[yousihai]

$\hat {h}$ and $\tilde {h}=$ do not display normally. What should I do?

[yousihai]

Oh, I use TeXworks.

[Johannes_B]

Welcome to the forum.

What does the following give you?

Code: Select all

\documentclass{article}
\begin{document}
$\hat {h}$ and $\tilde {h}=$ do
\end{document}