- Chance Magazine - George P. H. Styan, Ed.; American Statistical Association & Springer-Verlag New York, Inc.
A magazine about statistics and its use in society. Information on recent issues and indexes; Available Data Sets, Articles, and Relevant Links; how to subscribe and submit articles.
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- Chance of Bank Balance $0.00 (Math Chat) - Frank Morgan, MAA Online
Answer to the Challenge: My colleague Dick De Veaux reports that upon returning from a three-week trip, he found his checking account balance at exactly $0.00. Without further information, how would you estimate the probability of such an event?
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- Changes of Mathematical State [PDF document] - Ivars Peterson - Science News Online
A discussion of constraint-satisfaction problems, more specifically the logic puzzle in theoretical computer science known as the satisfiability (SAT) problem (e.g. working out a seating plan), the current state of research on computational "phase transitions,"
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- Change the Equation
This non-profit, non-partisan CEO-led initiative aims to "solve America's innovation problem. It answers the call of President Obama's Educate to Innovate Campaign to move the U.S. to the top of the pack in science and math education," with science, technology,
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- Changing the Way We Teach Math - Kate Nonesuch
This document is a manual for teaching basic math to adults. It sets out some "best practices" from the literature, then outlines some difficulties instructors may face in implementing them, and makes suggestions for overcoming those difficulties. There
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- Channeling quantum information efficiently - Ivars Peterson - Science News Online
By carefully choosing how a message is encoded and decoded, it's possible to approach the theoretical maximum for transmitting information via photons or other quantum particles.
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- Chaos and Fractals - Joakim Linde; Chalmers Tekniska Högskola
A small fractal image gallery gallered with Fractus software, Fractint parameter files, a fractal icon archive, and links to other fractal sites.
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- Chaos and Fractals - ThinkQuest 1996
Chaos is an advanced field of mathematics that involves the study of dynamical systems or systems in motion. Chaos Theory consists of the mathematical proofs and theories that attempt to describe processes in motion. Think of any
mathematical system
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- Chaos and the Solar System - Paul Trow
An essay on the historical development of chaos theory, especially as it relates to the solar system.
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- Chaoscope - Nicolas Desprez
Software to render 3D strange attractors such as IFS, Julia, Lorenz, and pickover. Browse the gallery, participate in the monthly contest, check the freeware's manual, learn from tutorials. Also available at http://www.btinternet.com/~ndesprez/.
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- Chaos Demonstrations - Michael Cross
Two versions each of three Java applets - an "old, stable" version and a "new, trial" version for the Period Doubling Route to Chaos, the Lorenz Attractor and the Butterfly Effect, and Chua's Circuit. Created for an introductory course on Chaos at Caltech
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- Chaos Downloads (Chaos: The Software) - Gordon, Rucker, Walker; Autodesk, Inc.
A shareware release of James Gleick's CHAOS: the Software. Both the complete executable and the source code are provided. The program runs under Windows as a full-screen DOS session. Six modules include the Mandelbrot set, Pendulum and Magnets, Strange
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- Chaos, Dynamic Systems, and Fractal Geometry - Tyeler Quentmeyer, ThinkQuest 1996
An educational Web page whose purpose is to make learning many of the complicated theories and ideas behind the theory of chaos, dynamic systems, and fractal geometry easier and more fun. It approaches problems from many different angles and gives users
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- The Chaos Experience - ThinkQuest 96
An explanation of the basic principles behind chaos theory, and a demonstration of its use in everyday life.
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- Chaos, Fractals, and Arcadia - Robert L. Devaney; Dept. of Mathematics, Boston University
An animated description of some of the mathematical ideas lurking in the background of Tom Stoppard's play Arcadia. Introduction; Thomasina's Geometry of Irregular Forms; The Chaos Game; The Sierpinski Hexagon; Thomasina's Fern; Valentine's Grouse; Summary
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- Chaos, Fractals and Attractors in Economics - Ben Tamari
Dynamical system in economics, fractals and chaos in nature.
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- The Chaos Game - Robert L. Devaney; Dept. of Mathematics, Boston University
One of the most interesting fractals arises from what Michael Barnsley has dubbed "The Chaos Game," which is played as follows. First pick three points at the vertices of a triangle. Color one of the vertices red, the second blue, and the third green.
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- The Chaos Hypertextbook: Mathematics in the Age of the Computer - Glenn Elert
Formerly titled "Chaos, Fractals, Dimension": an illustrated paper submitted for the author's M.S. in secondary science education from Columbia. Contains chapters on: Mathematical Experiments (Iteration and Orbits, Orbit and Bifurcation Diagrams, Universality);
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- Chaos in the Classroom - Robert L. Devaney; Dept. of Mathematics, Boston University
One of the most interesting applications of technology in the mathematics classroom is the fact that it allows teachers to bring many new and exciting topics into the curriculum. In particular, technology lets teachers bring some topics of contemporary
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- Chaos: Making a New Science - James Gleick
An excerpt from the prologue of Gleick's book. "Where chaos begins, classical science stops. For as long as the world has had physicists inquiring into the laws of nature, it has suffered a special ignorance about disorder in the atmosphere, in the turbulent
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- The Chaos Metalink - Industrial Street Productions
A site designed as an ongoing resource for all those interested in Chaos science and things fractal. This site is sponsored by Images of Chaos, an Artwork for Television and Industrial Street Productions as a service to the Chaos community. Featured Sites;
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- Chaos Theory: complexity and chaos - Mindconnection
Books on chaos theory and links to relevant sites on the Web.
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- Chaotic Dynamical Systems (Serendip) - Victor J. Donnay; Bryn Mawr College
In dynamical systems, an object moves according to a rule. Depending on the rule motion, the object may move in a regular fashion or in a chaotic fashion. This project by Prof. Donnay, his students, and colleagues illustrates the ideas of chaos theory
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- chaotic n-space network - Jon Camp and Benjamin Martin
Fractals: an introduction, gallery of images, and evaluation of software for fractal creation, with links to download. Other mathematics resources include a brief introduction to the Fibonacci sequence.
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- Characteristics of Gifted Children: Articles and Research - Carolyn K., Hoagies' Gifted Education Page
Articles and reports on characteristics of gifted children: perfectionism, sensitivity, social skills and emotional skills, underachievement, and visual-spatial learning.
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- Charles Babbage Institute of Computer History (CBI) - University of Minnesota
CBI is a research center at the University of Minnesota dedicated to promoting the study and preservation of the history of information processing. As part of its mission, CBI maintains an archival collection available for use by the public that includes
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- Charlotte and the World Wide Web - Santrach, Carpenter, Young, Young; The Geometry Center
An introduction to the World Wide Web, its potentials, and links to some geometry software (The Geometer's Sketchpad, Tesselmania, Geometric Golfer, Kali, Kaleidotile), for secondary school educators. A final project created for Math 5337, Technology
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- Charlotte Tutor: Tutoring, Learning, Results - Charlotte Tutor
Test preparation and tutoring in Charlotte, NC and surrounding areas, for a wide array of academic subjects such as mathematics (math), statistics, physics, chemistry, engineering, AP & IB courses and much more. K-12 and College (undergraduate & graduate)
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- Chase Four Sketches - Bill Finzer, Key Curriculum Press
A sketch and a script to answer the question: if there are four ants in the plane and each crawls continuously toward the next ant, what do their paths look like?
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- Chasing Arrows (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
The reycling symbol looks like three bent arrows chasing each other around a triangular loop. You often find it printed on cardboard cartons, envelopes, greeting cards, packages, and trash containers. It's also an intriguing mathematical object. Imagine
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- Chemistry Spreadsheet Calculator - James T. Parker
A calculator designed to help teach high school students how to balance chemistry equations and then perform basic stoichiometry calculations. Includes a short tutorial.
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- Cheng-Pleijel Point of a Quadrangle - Ben Cheng
A Java applet that lets you play with the Cheng-Pleijel point: imagine a point O' at a certain height H above the flat plane containing the quadrangle ABCD and which orthogonally projects down directly to the point O on the plane. By definition, the Cheng-Pleijel
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- Chess Math (SMILE) - Louis C. Jackson, Lincoln Elementary School
A lesson designed to reinforce students' knowledge of angles as they become chess
pieces on a floor chess board. From the Patterns and Logic section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning
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- Chess'n Math Association / Association Échecs et Maths - Canada's National Scholastic Chess Organization
In Canada, a growing number of elementary schools have incorporated chess into the regular school curriculum, through Challenging Mathematics. This math program is approved by the Ministry of Education and has led to the creation of the Chess'n Math Association
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- Children First: website of the National PTA - National Parent-Teacher Association
News and information from the PTA, including its educational programs and materials, conferences, on-line subscriptions and discussion groups, legislative activities, and links to other child-oriented sites.
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- Children's Software Revue
A magazine that features reviews of educational software. The website has a database of children's software that may be searched by title, rating, grade level, copyright date, publisher, platform, or the subject that it teaches. Reviews can be submitted
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- ChiliMATH - Michael Estela
Lessons and tutorials with worked examples, some handwritten: equations, inequalities, radicals, matrices, polynomials, functions, and more.
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- Chinese Mathematics - MacTutor Math History Archives
Articles on mathematics in Chinese culture: An Overview of Chinese Mathematics; Nine Chapters on the Mathematical Art; The Ten Mathematical Classics; Chinese Numerals; and Chinese Problems. Also an alphabetical list of Chinese mathematicians, linked to
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- Chinese Numbers - Erik E. Peterson
Convert arabic numerals up to 1 billion into Chinese numbers, or show the value of a Chinese number (type or paste in a number in Chinese and click "Show English." With, in addition, A Brief Description of the Chinese Number System, and links to related
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- Chinese Remainder Theorem - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
An explanation and proof, using modular arithmetic, of the Chinese Remainder Theorem, which concerns problems of the following type: There are certain things whose number is unknown. Repeatedly divided by 3, the remainder is 2; by 5 the remainder is 3;
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- Chinks in Digital Armor - Ivars Peterson - Science News Online
Tampering with a smart card can force it into making errors in the calculations used for encrypting data, potentially allowing the code to be broken.
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- Chinook (champion checkers computer program) - Jonathan Schaeffer, Dept. of Computing Science, Univ. of Alberta
Chinook is the World Man-Machine Checkers Champion, a title it earned by competing in human tournaments and defeating the best players in the world.
Chinook is the by-product of a research effort started in 1989 into game-playing strategies. The long-term
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- Chi-Square (MSTE) - Amar Patel; University of Illinois at Urbana-Champaign (UIUC)
This lesson illustrated using cartoon characters explains statistical terms such as expectation, significance, and chi-square. The lesson requires Excel and is based on Ch. 6 of Using Statistics, by Travers, Stout, Swift, and Sextro. Analyzing records
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- Chris Fenwick's mathematics education (self-organised reading-to-learn) research and teaching page - Chris Fenwick
Research material on mathematics education, from the perspective of a teacher of A-level mathematics students.
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- Christianity and the Mathematical Sciences - the Heliocentric Hypothesis - MacTutor Math History Archives
Linked essay on Christianity's influence on the mathematical sciences. With references and other related web sites.
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- Christmas With The Polyiamonds Puzzle Family - Jos H. Hindriks
Polyiamonds share their general principles with Pentominoes, except that their basic 'cell' is the sixty-degree triangle instead of the square. The term 'Polyiamonds', derived from the word 'diamond', was introduced in 1961 by T.H. O'Beirne. Hexiamonds,
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- Chron Me! Online Stopwatch
Easily record time in increments, whenever you have a multi-part task to time. Press start; press stop; add a label for that segment; repeat as needed; download the resulting comma- or semicolon-separated file to your computer, or open it with Excel.
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- A Chronology of Mathematicians - MacTutor Math History Archives
A chronology of mathematicians between the dates stated, showing how the lives of
the mathematicians overlap: 700 BC-700 AD; 700-1650; 1625-1775; 1750-1850; 1825-1900; 1875-1957. Where either the birth or death of a mathematician is unknown (mostly for
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- A chronology of pi - MacTutor Math History Archives
Pre-computer calculations of pi, from the Rhind papyrus through Ferguson (1946); computer calculations from Ferguson (1947) through Kanada, Takahashi (Sept 1999). With references and other related web sites.
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- Chronology of Recreational Mathematics - Mario Velucchi
David Singmaster's list of events from circa 2700BC to 1993, with references, includes how in Greek mythology, Palamedes was the inventor of dice; in 1392, three packs of cards were made for Charles VI of France; in 1605, Cervantes' Don Quixote gives
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