Above you should see a flash movie that I have made. This is a test post to see if I could emed a flash component into blogger. The swf file has been saved in Google docs and shared with everyone. Success!
Monday, November 29, 2010
Trigonometric Function Explorer using Flash
Above you should see a flash movie that I have made. This is a test post to see if I could emed a flash component into blogger. The swf file has been saved in Google docs and shared with everyone. Success!
Wednesday, September 15, 2010
Top 100 Most Influential People of the Last Millennium
From the economicexpert.com
On October 10, 1999, the American cable network A&E started counting down a list of the 100 most influential people of the millennium compiled by a staff of 360 journalists, scientists, theologians, historians, and scholars.
As many as 250 people were chosen to be on the list, but only 100 made it, these are the 100 people that did the most to shape the world we live in today.
1 The List
- Johann Gutenberg
- Isaac Newton
- Martin Luther
- Charles Darwin
- William Shakespeare
- Christopher Columbus
- Karl Marx
- Albert Einstein
- Nicolaus Copernicus
- Galileo Galilei
- Leonardo da Vinci
- Sigmund Freud
- Louis Pasteur
- Thomas Edison
- Thomas Jefferson
- Adolf Hitler
- Mahatma Gandhi
- John LockeJ
- Michelangelo
- Adam Smith
- George Washington
- Genghis Khan
- Abraham Lincoln
- St. Thomas Aquinas
- James Watt
- Wolfgang Amadeus Mozart
- Napoleon Bonaparte
- Johann Sebastian Bach
- Henry Ford
- Ludwig van Beethoven
- James Watson & Francis Crick
- René Descartes
- Martin Luther King, Jr.
- Jean-Jacques Rousseau
- Vladimir Lenin
- Alexander Fleming
- Voltaire
- Sir Francis Bacon
- Dante Alighieri
- The Wright brothers
- Bill Gates
- Gregor Mendel
- Mao Zedong
- Alexander Graham Bell
- William the Conqueror
- Niccolo Machiavelli
- Charles Babbage
- Mary Wollstonecraft
- Mikhail Gorbachev
- Margaret Sanger
- Edward Jenner
- Winston Churchill
- Marie Curie
- Marco Polo
- Ferdinand Magellan
- Elizabeth Stanton
- Elvis Presley
- Joan of Arc
- Immanuel Kant
- Franklin Delano Roosevelt
- Michael Faraday
- Walt Disney
- Jane Austen
- Pablo Picasso
- Werner Heisenberg
- D.W. Griffith
- Vladimir Zworykin
- Benjamin Franklin
- William Harvey
- Pope Gregory VII (the oldest person on the list)
- Harriet Tubman
- Simón Bolívar
- Diana, Princess of Wales (youngest on the list)
- Enrico Fermi
- Gregory Pincus
- The Beatles
- Thomas Hobbes
- Queen Isabella
- Joseph Stalin
- Queen Elizabeth I
- Nelson Mandela
- Niels Bohr
- Peter the Great
- Guglielmo Marconi
- Ronald Reagan
- James Joyce
- Rachel Carson
- J. Robert Oppenheimer
- Susan B. Anthony
- Louis Daguerre
- Steven Spielberg
- Florence Nightingale
- Eleanor Roosevelt
- Patient Zero
- Charlie Chaplin
- Enrico Caruso
- Jonas Salk
- Louis Armstrong
- Vasco da Gama
- Suleiman I
Saturday, September 4, 2010
NASA Photo Archive
A great resource for historical images found on Flickr: NASA on The Common photostream:
A Delta II rocket.
More images can be found here: NASA Images
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More images can be found here: NASA Images
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Monday, August 9, 2010
Average Mathematics Scores by Country 2007
This does not seem so bad to me. Here is the original link.
Average score is higher than the U.S. average score (p < .05)
Average score is not measurably different from the U.S. average score (p < .05)
Average score is lower than the U.S. average score (p < .05)
1 Hong Kong is a Special Administrative Region (SAR) of the People's Republic of China.
2 National Target Population does not include all of the International Target Population defined by the Trends in International Mathematics and Science Study (TIMSS).
3 Nearly satisfied guidelines for sample participation rates only after substitute schools were included.
4 Met guidelines for sample participation rates only after substitute schools were included.
5 National Defined Population covers 90 percent to 95 percent of National Target Population.
6 Kuwait tested the same cohort of students as other countries, but later in 2007, at the beginning of the next school year.
7 National Defined Population covers less than 90 percent of National Target Population (but at least 77 percent).
NOTE: Countries are ordered by 2007 average score. The tests for significance take into account the standard error for the reported difference. Thus, a small difference between the United States and one country may be significant while a large difference between the United States and another country may not be significant. The standard errors of the estimates are shown in tables E-1 and E-2 available at http://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2009001.
SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 2007.
Table 1. Average mathematics scores of fourth- and eighth-grade students, by country: 2007
| Grade four | Grade eight | ||
|---|---|---|---|
| Country | Average score | Country | Average score |
| TIMSS scale average | 500 | TIMSS scale average | 500 |
| Hong Kong SAR1 | 607 | Chinese Taipei | 598 |
| Singapore | 599 | Korea, Rep. of | 597 |
| Chinese Taipei | 576 | Singapore | 593 |
| Japan | 568 | Hong Kong SAR1, 4 | 572 |
| Kazakhstan2 | 549 | Japan | 570 |
| Russian Federation | 544 | Hungary | 517 |
| England | 541 | England4 | 513 |
| Latvia2 | 537 | Russian Federation | 512 |
| Netherlands3 | 535 | United States4, 5 | 508 |
| Lithuania2 | 530 | Lithuania2 | 506 |
| United States4, 5 | 529 | Czech Republic | 504 |
| Germany | 525 | Slovenia | 501 |
| Denmark4 | 523 | Armenia | 499 |
| Australia | 516 | Australia | 496 |
| Hungary | 510 | Sweden | 491 |
| Italy | 507 | Malta | 488 |
| Austria | 505 | Scotland4 | 487 |
| Sweden | 503 | Serbia2, 5 | 486 |
| Slovenia | 502 | Italy | 480 |
| Armenia | 500 | Malaysia | 474 |
| Slovak Republic | 496 | Norway | 469 |
| Scotland4 | 494 | Cyprus | 465 |
| New Zealand | 492 | Bulgaria | 464 |
| Czech Republic | 486 | Israel7 | 463 |
| Norway | 473 | Ukraine | 462 |
| Ukraine | 469 | Romania | 461 |
| Georgia2 | 438 | Bosnia and Herzegovina | 456 |
| Iran, Islamic Rep. of | 402 | Lebanon | 449 |
| Algeria | 378 | Thailand | 441 |
| Colombia | 355 | Turkey | 432 |
| Morocco | 341 | Jordan | 427 |
| El Salvador | 330 | Tunisia | 420 |
| Tunisia | 327 | Georgia2 | 410 |
| Kuwait6 | 316 | Iran, Islamic Rep. of | 403 |
| Qatar | 296 | Bahrain | 398 |
| Yemen | 224 | Indonesia | 397 |
| Syrian Arab Republic | 395 | ||
| Egypt | 391 | ||
| Algeria | 387 | ||
| Colombia | 380 | ||
| Oman | 372 | ||
| Palestinian Nat'l Auth. | 367 | ||
| Botswana | 364 | ||
| Kuwait6 | 354 | ||
| El Salvador | 340 | ||
| Saudi Arabia | 329 | ||
| Ghana | 309 | ||
| Qatar | 307 | ||
Average score is higher than the U.S. average score (p < .05) Average score is not measurably different from the U.S. average score (p < .05) Average score is lower than the U.S. average score (p < .05)1 Hong Kong is a Special Administrative Region (SAR) of the People's Republic of China.
2 National Target Population does not include all of the International Target Population defined by the Trends in International Mathematics and Science Study (TIMSS).
3 Nearly satisfied guidelines for sample participation rates only after substitute schools were included.
4 Met guidelines for sample participation rates only after substitute schools were included.
5 National Defined Population covers 90 percent to 95 percent of National Target Population.
6 Kuwait tested the same cohort of students as other countries, but later in 2007, at the beginning of the next school year.
7 National Defined Population covers less than 90 percent of National Target Population (but at least 77 percent).
NOTE: Countries are ordered by 2007 average score. The tests for significance take into account the standard error for the reported difference. Thus, a small difference between the United States and one country may be significant while a large difference between the United States and another country may not be significant. The standard errors of the estimates are shown in tables E-1 and E-2 available at http://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2009001.
SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 2007.
Wednesday, July 28, 2010
Thursday, July 15, 2010
Absolute Value Inequality: A Graphical Approach
An absolute value inequality, such as,
can be solved as follows:
We can visualize these solutions if we graph the function,
in the rectangular coordinate plane and determine where the graph lies below the horizontal line given by
. In other words, for what x-values is
This idea is illustrated below:
Furthermore, we could use the same graph to visualize the solutions to,
We can see that the solutions are,
Now take the time to compare this visualization to that given on Wolfram Alpha. Remember, it is always helpful to understand the geometric interpretation whenever possible.
can be solved as follows:
We can visualize these solutions if we graph the function,
in the rectangular coordinate plane and determine where the graph lies below the horizontal line given by
This idea is illustrated below:
Furthermore, we could use the same graph to visualize the solutions to,
We can see that the solutions are,
Now take the time to compare this visualization to that given on Wolfram Alpha. Remember, it is always helpful to understand the geometric interpretation whenever possible.
Tuesday, May 18, 2010
Goofram - Search Google and Wolfram Alpha at the same time!
This is an interesting idea... google and Alpha side by side!
Goofram - Search Google and Wolfram Alpha at the same time!
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Goofram - Search Google and Wolfram Alpha at the same time!
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