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4 February 2002 Vol. 7, No. 5 THE MATH FORUM INTERNET NEWS The Universal Day of Symmetry | MathsChallenge.net Workshops for Math Teachers THE UNIVERSAL DAY OF SYMMETRY http://www.geocities.com/lasimetria/eng.htm What is special about February 20th, 2002 at 8:02PM? The Universal Day of Symmetry site answers this question: in Europe and South America, where the convention is to write the month and day in reverse of the US practice, that moment is written 20/02/2002, 20:02. The day can be celebrated by exchanging materials, articles, creations and findings related to the ludic and recreational aspects of symmetry, which will be published on this Web site on February 20th. The deadline to send collaborations is February 10th, 2002. It is presented in Castellano, English, Catala, Portugues, and Aragones. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- MATHSCHALLENGE.NET - Colin Hughes http://mathschallenge.net This is a collection of weekly and monthly problems, plus code-breaking challenges, archived past problems, a centralized searcher for math on the Internet, and links to other mathematics sites. Aimed primarily at puzzle solvers at KS3 and above (aged 11+), new challenges appear October through May each year. Answers are available when the following problem is posted. - Maths Challenge - Problem of the Month - Code Breaking - Problems Archive - Internet Search - Links Puzzles and Games Reference Revision History of Mathematics Resources -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- WORKSHOPS FOR MATH TEACHERS http://mathforum.org/teachers/workshops/ Workshops for Math Teachers is a growing collection of math and math education workshop announcements. Browse listings appropriate to the level you teach, from elementary to graduate school; search our collection by entering keywords or picking items from our set of categories. To include your professional development event among those listed, please fill out the announcement submission form: http://mathforum.org/teachers/workshops/submit.taco -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- 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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