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\centerline{\big A simple \TeX\ example}
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This is a very simple example of using \TeX.
{\it This text will be in italic.} {\sl And this is slanted.}
There are many other fonts available, for instance
the {\tt typewriter} mode which some people
regars as a good way of separating
computer printouts from normal text.
National characters such as \~n or \'e can be produced relatively
easily. Finnish text containing \"a and \"o can be also be
produced using \TeX, and there are special tools for doing
it comfortably. Unfortunately the systems do not fully support
word division in Finnish; some corrective work by the user
is required.
Now to mathematics. You can insert mathematical expressions like
$ (a+b)^2 $ or
$x_1 + \ldots + x_n$
into the text.
You can also make mathematical expressions
appear as separate paragraphs. This is normal for
large expressions and
equations like
$$ e^x = \sum_{i=0}^\infty {{x^i} \over {i!}} $$
Let's end our small example with some special symbols that
can be produced in the mathematical mode:
$ \alpha \heartsuit \star \mapsto \Vert $. Nice, isn't it?
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