Math Forum Internet News

Volume 4, Number 23

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7 June 1999                                        Vol. 4, No. 23

                 THE MATH FORUM INTERNET NEWS

Precalculus Page | Interactive On-line Geometry |
Federal Resources (FREE) THE PRECALCULUS PAGE http://www.teleport.com/~gmhill/ Lesson plans and staff development activities with a problem-solving approach. Materials focus on logarithms, the binomial theorem, and the law of sines: http://www.teleport.com/~gmhill/materials.html Problems (without answers) on algebra, exponential and logarithmic functions, other functions, geometry, and sums, sequences, and series are available: http://www.teleport.com/~gmhill/listserv.html The site also offers pages of useful links for teachers, and lesson plans with activity overviews from 1998 summer workshops at Portland and Eugene, Oregon: http://www.teleport.com/~gmhill/portland.html http://www.teleport.com/~gmhill/eugene.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- GALLERY OF INTERACTIVE ON-LINE GEOMETRY The Geometry Center http://www.geom.umn.edu/apps/ Twelve interactive online geometry programs: - WebPisces: compute implicitly defined curves in the plane - Build a Rainbow: examine a mathematical model of light passing through a water droplet - QuasiTiler: generate Penrose tilings or design your own nonperiodic tilings of the plane - Kali and Kali-Jot: use an interactive editor to learn about symmetric patterns of the plane - Cyberview-X: define your own 3D objects with this interactive 3D viewer - Projective Conics: Pascal's theorem in terms of projective geometry: specify points on a conic and see how the theorem applies to them - Orbifold Pinball: explore the effects of negatively curved space - Teichmuller Navigator: explore the space of all different angle geometries on a genus two surface - Integrator: experiment with numerical integration of data sets - Unifweb: discover and visualize families of Riemann surfaces - Lafite: work with any discrete symmetry group of the hyperbolic plane -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- FEDERAL RESOURCES FOR EDUCATIONAL EXCELLENCE (FREE) http://www.ed.gov/free/ A collection of educational resources from the Department of Education, Department of Energy, and other federally supported organizations. Subject listings include mathematics: http://www.ed.gov/free/s-math.html The site also offers a search engine, favorite sites (reviewed by users), more sites for students, comment and feedback forms, and an invitation to be a FREE partner in developing Internet-based learning modules and communities: http://www.ed.gov/free/partner.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- JUST FOR FUN: VOTE! To show students the impact of using the Internet to collect data, even if only a simple opinion, John Euchler asks you to visit a page from his 7th grade class at Saint Stanislaus Kostka School and vote on your favorite mnemonic device for remembering the digits in the number pi: http://bio.bio.rpi.edu/msprogram/technology2/euchler/pi.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pow/ Mathematics Library http://mathforum.org/library/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/discussions/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \

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