\documentclass[12pt]{letter}
\usepackage{nyultrhd}

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\location{Daisy Calderon\\ \smallskip
Courant Institute of Mathematical Sciences\\
251 Mercer Street\\New York, NY 10012--1185\\
\vspace{.2cm}
{\setbox9=\hbox{Tel. }\setbox8=\hbox{Fax}\dimen0=\wd9\advance\dimen0by -\wd8
\sevrm \baselineskip=6pt
Tel. (212) 998--3194 \\
Fax\hskip \dimen0(212) 995--4121 \\
Telex 235128 NYU UR \\
Internet: mojar@cims.nyu.edu}}

\signature{Daisy Calderon}
\date{January 25, 2001}

\begin{document}

\begin{letter}{Caitlin Doggart\\
Editorial Assistant, Math and Computer Science\\
Cambridge University\\
40 West 20th Street\\
New York, NY  10011}



\opening{Dear Ms. Doggart:}

\hspace{.25in} Enclosed you'll find the hardcopy of Professor X's
manuscript and also the electronic files save on
the discs (1-disc for the latex-file and 3-discs for the figures).  
If I can be of any assistance in any way, please do not hesitate to
contact me either by e-mail or by phone.




\closing{Yours truly,}
\ps{Enc.}
\end{letter}
\end{document}