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<title>Dr. Geo User's Manual -- Introduction</title>
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<table width="100%" cellpadding=0 cellspacing=2><tr>
<td bgcolor="#99ccff"><a href="drgenius_3.html"><img border="0" alt="Basic Functions" src="figures/next.png"></a></td><td bgcolor="#99ccff"><a href="drgenius.html"><img border="0" alt="Top" src="figures/up.png"></a></td><td bgcolor="#99ccff"><a href="contents.html"><img border="0" alt="Contents" src="figures/previous.png"></a></td><td align="center" bgcolor="#99ccff" width="100%"><b>Introduction</b></td></tr></table>
<h1>Introduction</h1>
<p>Dr. Genius is the interactive geometry package for the Gnome Desktop.
It allows users to create geometric figures that can be manipulated
with respect to geometric rules. The program is useable with students
from the primary through secondary levels.
<p> <p> <div align="center">DR. GEOwelcome screen</div>
<div align="center"><p>
<img alt="" src="./figures/fig1.png">
</p></div>
To create a new empty geometric figure, the user clicks on the first
(on the left) button in the toolbar. Alternatively, a new figure can
be created using the menu item <tt>File->New->Figure</tt> from
the menu bar. When a new figure is created, a new toolbar with a set
of six icons appears. The last item (on the right) in the toolbar is
an option menu; it is used to adjust the scale of the current
geometric figure.
<p> <p> <div align="center">An empty geometric figure</div>
<div align="center"><p>
<img alt="" src="./figures/fig2.png">
</p></div>
The six icons correspond to different types of functions. These
functions are described in the next chapter.
<p> <p> <div align="center">A DR. GEOfigure and its description</div>
<div align="center"><p>
<img alt="" src="./figures/fig50.png">
</p></div>
With each figure, a pane is available. By default the pane is pushed
to the extreme left so that only the representation of the figure is
visible. At any moment, the user can push the pane to the right to
make visible the figure description. A figure description is a tree
list. The tree is composed of all the elements of the figure. The
elements relative to other elements can be expanded by pressing the
'+' sign, that way the user can visualize the parents of this element.
<hr /><address><font size="-1">Any comments/remarks? <br />Or you are volunteer to write part of the manual.<br />-> Contact Hilaire Fernandes at OFSET (
<img alt="" src="./figures/hilaire-email.png">
) or join
the DR. GEOmailing list.</address><br />
<table width="100%" cellpadding=0 cellspacing=2><tr>
<td bgcolor="#99ccff"><a href="drgenius_3.html"><img border="0" alt="Basic Functions" src="figures/next.png"></a></td><td bgcolor="#99ccff"><a href="drgenius.html"><img border="0" alt="Top" src="figures/up.png"></a></td><td bgcolor="#99ccff"><a href="contents.html"><img border="0" alt="Contents" src="figures/previous.png"></a></td><td align="center" bgcolor="#99ccff" width="100%"><b>Introduction</b></td></tr></table></body></html>
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