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Newsletter: Math Forum Internet News No. 2.17 (April 28)
Posted:
Apr 27, 1997 1:14 AM
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28 April 1997 Vol.2, No.17
THE MATH FORUM INTERNET NEWS
Math & Energy Conservation | Devlin's Angle | Pascal's Triangle
MATHEMATICS AND ENERGY CONSERVATION
http://ecep1.usl.edu/ecep/math/math.htm
Math Activity Guides created for the vocational technical
schools in Louisiana as part of the Energy Conservation
Enhancement Project.
Starting with addition and subtraction and moving up
through word problems, algebra, fractions, decimals,
percentages, measuring, area and volume, ratio, proportion,
and graphing, these practical lessons present math
operations for solving real-world problems involving
energy in home construction. Examples include:
- calculating insulation choices for a home;
- figuring the cost of energy-related goods and services;
- understanding how electricity is measured and how the
homeowner is charged for it;
- finding ways to save on home and auto energy bills.
Each lesson provides goals, objectives, basic math background
information, activities with concrete, detailed examples of
how to 'do the math', a review, and teacher's notes.
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DEVLIN'S ANGLE
http://www.maa.org/devlin/devlin_archives.html
A monthly column by Keith Devlin, Dean of Science at Saint
Mary's College of California and Editor of FOCUS, the news
magazine of the Mathematical Association of America. Read
about:
- Deep Blue and the Turing Test;
- Zeno of Citium, Stoicism, logic, and computer science;
- Tversky's Legacy Revisited and the blue taxi;
- Men, Mathematics, Myths, and Evariste Galois;
- Just what do we mean by a proof? Math and logic;
- Why 2001 Won't be 2001: computers and language.
Don't miss these humorous and entertaining detours into the
connections between mathematics and other human endeavors.
Devlin's Angle is hosted by the MAA Web site.
http://www.maa.org
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WHAT IS PASCAL'S TRIANGLE?
In the numerical array of Pascal's triangle are worlds of
mathematics, elementary and advanced.
To construct Pascal's triangle, start with the two top rows:
1, and 1 1. For each entry in a succeeding row, add the
entries above it to the right and to the left. At the ends
of each row, where there's only one number above, put a 1.
You can generate any given row of Pascal's triangle if you
have the row right above it:
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
.
Read about its applications to algebra and probability/
combinatorics, see related links in the Dr. Math archives,
and explore suggestions for useful Web sites about Pascal's
triangle in the Dr. Math FAQ:
http://forum.swarthmore.edu/dr.math/faq/faq.pascal.triangle.html
Come back and visit us from time to time to keep up with
regular additions to our FAQ.
http://forum.swarthmore.edu/dr.math/faq/
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CHECK OUT OUR WEB SITE:
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The Math Forum ** 28 April 1997
You will find this newsletter, a FAQ,
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