test-unicode-math-input-ucs.tex

%! TEX program = pdflatex
\documentclass{article}
\usepackage{amsmath}
\usepackage[mathletters]{ucs}
\usepackage[utf8x]{inputenc}
\begin{document}

multiplication: a × b, $a × b$

prime: $a′$, $b″$

%bigoplus: $⨁ x$

bracket: $⟨a+b⟩, \left⟨ \frac{1}{2} \right⟩ $

%big: $\big⟨ 5 \big⟩$


\end{document}