How to stop Latex from inserting $ in my URLs? [duplicate]

Question

When I type this

\footnote{ http://www.cems.uvm.edu/~tlakoba/math337/notes_12.pdf. Page 3.}

LaTeX inputs $ $ in for me when I do not want them. How can I stop this from happening?

Answer 1

The problem is the underline. Use the command \url{} from the url package.

\usepackage{url}

\footnote{\url{http://www.cems.uvm.edu/~tlakoba/math337/notes_12.pdf}, page 3.}