%That's an example file for a DOS Hebrew LaTeX.
\documentclass{article}
\usepackage[cp862]{inputenc}
\usepackage[hebrew]{babel}
\begin{document}
%\selectlanguage{hebrew}
\section{��� �����}
����� ��� ����� ������ ����� ��� �� ��� $a+\zeta$ ���:
\begin{equation}
a+23+\cal\log\int 56
\end{equation}
\end{document}