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fDesc[0] = "NonEuclid is an Interactive Java Software for Creating Ruler and Compass Constructions in both the Poincar&eacute; Disk and the Upper Half-Plane Models of Hyperbolic Geometry. <br /> <br /> NonEuclid allows the curious explorer to gain experience in Hyperbolic Geometry and to empirically investigate questions such as: &quot;In Hyperbolic Geometry, are the base angles of an isosceles triangle congruent?&quot;<br /> <br /> The NonEuclid software and documentation are accessible to anyone with high school level geometry.<br /> <br /> Aside from being interesting in itself, a study of Hyperbolic geometry can, through its novelty, enable a deeper understanding of a formal proof.<br /> <br /> Hyperbolic Geometry also has practical aspects such as orbit prediction of objects within intense gradational fields. Hyperbolic Geometry is used in Einstein&#039;s General Theory of Relativity and Curved Hyperspace.";

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