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3 November 1997 Vol. 2, No. 44 THE MATH FORUM INTERNET NEWS Math Around Us | Continued Fractions | Linear Algebra Texts MATH AROUND US - FROM KIDPROJ AT KIDLINK Project Moderators: Laurie Williams and Dennis Buccola http://www.kidlink.org/KIDPROJ/Math97 MATH AROUND US offers a new activity each month designed to help show how math is a part of our everyday lives. Activities planned for October-May 1998 include: OCT MATH CURSE REVISITED In Jon Scieszka's book _Math Curse_, a little girl wakes up feeling she's been cursed, a "math curse" because she sees everything that happens to her as some sort of math problem. Students think of their lives 'mathematically', seeing how many ways they can find math problems throughout the day. On the list, they share *their* 'math curse' days. NOV Math in Careers DEC Personal Measurement JAN Mapping It Out FEB Math in the News MAR Make Math Fit APR Wait a Minute! MAY We're Coming for a Visit Visit the project's Web page to find out more and register to join. Registration is open all year long, so you can join one or all of the featured activities. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CONTINUED FRACTIONS Selected Web sites that offer varied perspectives on these interesting fractions: - CONTINUED FRACTIONS - CALVIN COLLEGE http://www.calvin.edu/academic/math/confrac/index.html A site designed for college undergraduates and offering an explanation, some history, theory, applications, and a bibliography. - AN INTRODUCTION TO CONTINUED FRACTIONS - RON KNOTT http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/cfINTRO.html "Continued fractions are just another way of writing fractions. They have some interesting links with a jigsaw- puzzle problem of splitting a rectangle up into squares and also with one of the oldest algorithms known to mathematicians - Euclid's Algorithm for computing greatest common divisors (gcd)..." - CONTINUED FRACTIONS, INFINITE CONTINUED FRACTIONS, AND ITERATION - THE MATHMAN http://www.shout.net/~mathman/html/prob8a.html An area of mathematics with applications to population increase, finding square roots, chaos theory, and fractals. Sample problems from Chapter 8 of Don Cohen's "Iteration to Infinite Sequences with 6 to 11 year-olds." \|/ - PIANOS AND CONTINUED FRACTIONS - EDWARD DUNNE & MARK MCCONNELL http://www.math.okstate.edu/~dunne/students/Temperament.html It is an old (and well-understood) problem in music that you can't tune a piano perfectly. This paper provides an interesting discussion of the physics (acoustics), mathematics, and temperament of pianos, with references and definitions. For more on continued fractions, search the Math Forum site (check the button for "that exact phrase"): http://mathforum.org/grepform.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- LINEAR ALGEBRA TEXTS http://mathforum.org/linear/choosing.texts/index.html Selections organized by the Math Forum to aid in choosing an introductory linear algebra text. Included are: - general approaches to consider when choosing a text - a listing of recommended texts, with information from publishers, comments from instructors, and sample chapters - selected texts that use technology for instruction Please use the link on the page to send us your comments and suggestions. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problem of the Week http://mathforum.org/geopow/ Internet Resources http://mathforum.org/~steve/ 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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