Math Forum Internet News

Volume 2, Number 44

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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.


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                     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."

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- 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


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                      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.


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