# script F (or something like it) [duplicate]

How can I enter this 'F' in LaTeX?

\mathcal{F} looks quite similar to it, but a little bit different.

I prefer not to use additional package if possible.

• In the above linked page, the closest seems to be Boondox. – Bernard Apr 17 '14 at 21:42

\usepackage{mathrsfs}
$\mathscr{F}$