COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	\magnification=1200
C00007 ENDMK
C⊗;
\magnification=1200
\hsize=5.5 truein
\font\Z=manfnt
\def\META{{\Z METAFONT}} 
\def\La{L\kern-.1667em\raise.5ex\hbox{a}\kern-.1em}
\def\fl#1{\null\par \leftline{\bf #1?}}
\def\teX{\null\kern1.5pt\TeX}
\def\The{\null\kern1.5pt The}
\parskip 10pt plus 1pt
\parindent=0pt
\pageno=1
\font\sixrm=amr6
\font\eightrm=amr8
\font\ninerm=amr9
\font\rmone=amr10 scaled \magstep1
\font\rmtwo=amr10 scaled \magstep2
\font\rmthree=amr10 scaled \magstep3
\font\rmfour=amr10 scaled \magstep4
\font\bfl=ambx10 scaled \magstep2
\font\amss=amss10  \font\amssi=amssi10  \font\amsltt=amsltt10
\font\amu=amu10  \font\ambi=ambi10
\font\Dunh=amdunh10  \font\amssbx=amssbx10  \font\amcsc=amcsc10
\font\sll=amsl9

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\frenchspacing
\noindent
\hbadness 6000
\tolerance 9999
\pretolerance 0
\hyphenpenalty=1000
This is an example of computerized typesetting using
\TeX, a program developed at Standord University by 
Don Knuth. \TeX\ is used for printing letters, research papers,
con\-cert programs,
catalogues, and books.
\TeX's real forte is mathematics:
{$\displaystyle
\sqrt{1+\sqrt{1+\sqrt{1+x}}},\ \quad
\sum_{i=1}↑{\infty}{1\over2↑i}=1,\ \quad
\{\underbrace{\overbrace{\mathstrut a,\ldots,a}
      ↑{k\;a\mathchar`'\rm s},
    \overbrace{\mathstrut b,\ldots,b}
      ↑{l\;b\mathchar`'\rm s}}_{k+l\rm\;elements}\}.
$}
\hbox to 28.50\varunit{\null\hfill\null}
\TeX\ produces identical results on different computer systems and
the final document can be printed on a variety of different printers.  As
many as 256 different fonts can be used in a single document. These include
{\bf boldface}
{\amss sans serif}
{\it italic\/}
{$\cal CALLIGRAPHIC$}
{\tt typewriter}
{\sl slanted roman\/}
{$\epsilon\lambda\lambda\eta\nu\iota\kappa\alpha$}
{\amssbx sans serif bold}.
In addition, \TeX\ gives users a choice in character size.
{\sixrm\TeX
{\sevenrm\TeX
{\eightrm\TeX
{\ninerm \TeX
{\rm\TeX
{\rmone\TeX
{\rmtwo\TeX\ 
{\rmfour\TeX} \TeX}\TeX}\TeX}\TeX}\TeX}\TeX}\TeX}
}
\vbox{\hfill\box0\hfill}

\bye