\documentclass[letterpaper]{article}
\usepackage[T1]{fontenc}
\usepackage[sc,osf]{mathpazo}
\begin{document}
How do I type ® under mathpazo?
\end{document}
This piece of code interprets
I thought it was about encoding, so I make \usepackage[T1]{fontenc} to \usepackage[utf8]{inputenc}:
\documentclass[letterpaper]{article}
\usepackage[utf8]{inputenc}
\usepackage[sc,osf]{mathpazo}
\begin{document}
How do I type ® under mathpazo?
\end{document}
I get nothing:
I would like to have the number, alphabet and equation under mathpazo but how do I type special character like ®? Do we have encoding other than fontenc and inputenc?



fontencandinputenc. – egreg Mar 15 '17 at 12:18