The Hyperbolic Toolbox:
NonEuclidean Constructions in Geometer's Sketchpad
7. References

Baragar, A., A Survey of Classical and Modern Geometries with Computer
Activities, PrenticeHall, Inc., Upper Saddle River, New Jersey, 2001.

Greenberg, M. J., Euclidean and NonEuclidean
Geometries: Development and History, 3rd Edition, W. H. Freeman
and Co., New York, 1993.

Lynch, J. (Producer and Writer). (1997). The
Proof, Public Broadcasting Service
(PBS), Boston: WGBH.

National Council of Teachers of Mathematics,
Principles and Standards for School
Mathematics, Reston, Va.: National Council of Teachers of
Mathematics, 2000.

National Council of Teachers of Mathematics,
Professional
Standards for Teaching Mathematics, Reston, Va.: National
Council of Teachers of Mathematics, 1991.

Sibley, Thomas Q., The Geometric Viewpoint: A Survey of Geometries,
AddisonWesley, Reading, Massachusetts, 1998.
8. Acknowledgements
A grant through the Faculty Development Program at the University of Wisconsin
Oshkosh allowed the author to develop the hyperbolic construction tools described
in this article. The author greatly appreciates this support. The author
also wishes to express his gratitude to the reviewers of this article.
Their comments and suggestions have substantially improved the document.