 The Atoms Family  Miami Museum of Science, Science Learning Network
An online exhibit containing educational activities relating to different forms of energy, as presented by famous gothic horror characters. Activities include: The Mummy's Tomb (energy conservation, kinetic, and potential energy), Dracula's Library (properties
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 The Basics of MRI  Joseph P. Hornak; Rochester Institute of Technology
An introduction to magnetic resonance imagining, which is based on the principles of nuclear magnetic resonance (NMR), a spectroscopic technique used by scientists to obtain microscopic chemical and physical information about molecules. See, in particular,
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 Calculus Java Applets (Manipula Math)  International Education Software (IES)
More than fifty applets: lim sin x/x (x>0); Rectangle Approximation Method; Volume of a Solid; Volume of a Solid of Revolution; Visualization of limits; Derivative of the Sine; Circle of Curvature; Cycloids; The Number e; Average rate of Change and
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 Chaos  Étienne Ghys et al.
A free, two hourlong film about dynamical systems, the butterfly effect, and chaos theory. Available in many languages, and as a DVD.
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 Dimensions  Étienne Ghys et al.
"Mathematical vertigo guaranteed": this free, two hourlong film gradually takes viewers up to the fourth dimension. Available in many languages, and as a DVD.
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 Geometry  BleezWorld
App for Euclidean geometry constructions: points, lines, circles, line segments, triangles, and more. Also available in Chinese, Hindi, Korean, and Russian.
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 Geometry Playground  Daniel J. Heath, Joshua Jacobs
Geometry Playground is a straightedge and compass construction tool for multiple geometries. The Java code is opensource, and the accompanying wiki includes handson discovery activities.
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 GRAPES : Function Graphing Software  Katsuhisa TOMODA, Center for Research on International Cooperation (CRICED)  University of Tsukuba
GRAPES is dynamic graphing software that allows you to draw the graphs and the loci of most of the functions which appear in the upper secondary school curriculum, and to analyze them from diverse aspects. This is a freeware program.
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 Japanese Association of Mathematical Sciences (JAMS)
A scientific research organization whose main activity is to publish scientific journals in English, French or German, in particular Scientiae Mathematicae Japonicae. Journal and submission information, newsletter, and meetings. Also available in Japanese.
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 Japan Society for Industrial and Applied Mathematics
An interdisciplinary society to contribute to innovation in science and technology. Membership information and publications, including the Japan Journal of Industrial and Applied Mathematics. More information is available in Japanese.
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 Kuutigo  Sakari Rosenqvist, Osmo Kotonen, Rosentwist Oy
KuutigoŽ is a Finnish educational and recreational game designed for practising exercises in mathematics and vocabulary. At the same time, it develops logical thinking, motor skills, and concentration and memory. Manufactured completely in Finland, the
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 LiveMath  Theorist Interactive, LLC
WebShareable computer algebra and graphing software (formerly MathView/Expressionist / Theorist / MathPlus). LiveMath notebooks may be shared via the Web. They are similar to spreadsheets in that a change in one value will ripple throughout the calculations.
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 Magic Math Kingdom  Nippon Educational Software Laboratory
Magic Math Kingdom is math game software, in which kids solve elementary math problems in order to rescue a frog princess. Also available is the Internet Geometry Education Tool OMAIL. With OMAIL, students can learn geometry by manipulating lines or
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 Manipula Math with Java  International Education Software (IES)
Hundreds of interactive Java applets for middle school through early college years on subjects such as geometry, calculus, trigonometry, linear transformations, vectors, complex numbers, and conics. Applets and animations often include introductions to
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 Math Education and Technology  International Education Software (IES)
IES Inc. was established for research, development, import, and sales of software for mathematics education. As well as creating its own software, it offers information from all over the world. Contents: Manipula Math with Java (more than 175 math applets
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 The Mathman  Don Cohen
Materials for sale for K12 students, teachers and parents; precalculus. Materials include Get Ready for Calculus (Calculus By and For Young People book, CDROM, worksheet book, videotapes and map) and Changing Shapes with Matrices. Patterns, visualization,
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 Middle School Geometry (Manipula Math)  International Education Software (IES)
Over 50 applets illustrating topics from plane geometry: angles and parallel lines; congruent figures and triangles; quadrilaterals and conservation of area; similar figures; polygons; circles; and the Pythagorean Theorem.
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 Miscellaneous (Manipula Math)  International Education Software (IES)
More than 30 miscellaneous Java applets, covering linear transformations of lattices and lines; the area of a parallelogram; inner products; complex numbers; fractals; vectors; life game; line and dot product; hyperbola; parabola; shadow trace; rectangular
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 Nikoli  Nikoli Co., Ltd.
From the Japanese magazine publishers that popularized sudoku puzzles: the nikoli.com site releases three or more problems every day  more than 100 new problems a month. Step through tutorials and solve Flash puzzles of Slitherlink, Nurikabe, Heyawake,
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 Pantagraph (Manipula Math)  International Education Software (IES)
A pantograph is a drawing instrument for magnifying figures. Using the applet on this page, by moving the red point to trace an original figure you can automatically obtain a magnified figure with the pen at the blue point.
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 The Paper Challeran  Ryosuke Ito & TOSS
Starting with a score of 1, trace a route through the Paper Challeran. Add to, multiply, or subtract from this score, as indicated at every edge along the way. Compete by registering scores online. Numbers around each block change every month. Find rules,
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 Plastelina Logic Games  Plastelina
Free Flash games include classic constrained "crossing" problems, such as the puzzle of ferrying a wolf, a sheep, and a head of cabbage across a river in a boat that only holds any two of them at once, without leaving the wolf and sheep alone in each
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 Pythagorean Theorem (Manipula Math)  International Education Software (IES)
Java applets for experimenting with shifting, rotating, and moving pieces of quadrilaterals to prove the Pythagorean Theorem.
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 Sangaku  Hiroshi Kotera
Click on the map of Japan to see photographs of sangaku  Euclidean geometry theorems rendered as colored drawings on wooden tablets, and hung in shrines or temples  dating to the Edo period (16031867). Also, learn how to use counting rods, called
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 Soliton Lab Art Gallery  Kanehisa Takasaki, Takasaki Lab, Kyoto University
The site contains a solitonlab as well as links to mathematics galleries. The special exhibition section contains links to related sites from around the world while the permanent exhibition section is an explanation of solitons with more
links to other
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 StocksQuest (Thinkquest 1998)  Connie, David, Joseph
An educational, interactive site offering free global stock games, especially for educators and contest organizers. Integrated into a realistic global stock market simulation are lesson plans, stock guides, and online investing resources.
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 Teachers Teaching With Technology (T3)
Professional development training in handheld technology for educators at each level. Sites worldwide in a host of different languages. The United States site includes: professional development institutes, courses, and seminars; resources for educators
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 Worldometers.info
Counters that display the realtime data on world population (e.g., births this year, births today, deaths this year, deaths today, net population growth for today), government and economics (daily government expenditures toward health care, education,
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 wrotniak.net  J. Andrzej Wrotniak
Includes shareware and freeware programs for Windows written by Wrotniak: scientific and regular calculators, a spherical geometry calculator, a logic and strategy game, a statistics graphing program, and a simple program to compute the area of a polygon.
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