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<FONT SIZE=4> Section 2.2 </FONT><BR>
<FONT SIZE=5><B> Functions (I). </B></FONT>
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<p>
Using functions we can structure our programs in a more modular way, accessing all
the potential that structured programming in C++ can offer us.
<p>
A function is a block of instructions that is executed when it is called from some other
point of the program. The following is its format:<br>
<blockquote>
<tt><b><i>type name</i> ( <i>argument1</i>, <i>argument2</i>, ...) <i>statement</i></b></tt><br>
</blockquote>
where:<br>
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