Title: For an architectural overview, view source of the page.  Bottom has an ascii diagram of the geometry, and how the program works.<p>For example: &quot;a hexagon is six equilateral triangles (length h) put together around a common center&quot;<p><pre><code>      ____                                _______
     &#x2F;\  &#x2F;\        « each bisected        \  |  &#x2F;  (1&#x2F;2, √3&#x2F;2)  
    &#x2F;__\&#x2F;__\         triangle in it      h \ | &#x2F;                
    \  &#x2F;\  &#x2F;         is defined by          \|&#x2F;  60°            
     \&#x2F;__\&#x2F; h        the unit circle »     (0,0)</code></pre>
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