Theoretical Science

Introducing the Binomial Coefficient for Positive Integers

August 26, 2012 by Mike DeHaan Leave a Comment

$math-cards$

How many ways can we select ‘k’ outcomes from ‘n’ possible outcomes, without concern for order/sequence? The binomial coefficient holds the answer.

Pages: 1 2

Filed Under: Math Theory Tagged With: binomial, binomial coefficient, mathematics, positive integers

Population Prediction of More Retirees, Fewer Workers by 2100

August 20, 2012 by Mike DeHaan Leave a Comment

A new Bayesian population model shows the number of workers, compared to the number of elderly in need of support, declining dramatically between now and 2100 AD. Will future workers be able to support their parents?

Pages: 1 2

Filed Under: Headlines, Mathematics Tagged With: mathematics, population, probability, world population

Introducing the Factorial: the Exclamation Mark of Math

August 8, 2012 by Mike DeHaan 2 Comments

What is a factorial, and how is the exclamation point used in mathematics? Learn more about gamma functions and more.

Pages: 1 2

Filed Under: Math Theory Tagged With: factorial, factorial function, factorials, gamma function, math, mathematics, permutation

Introducing Math Symbols for Union and Intersection

July 26, 2012 by Mike DeHaan Leave a Comment

$union and intersection in math$

Understanding the symbols we use in complex math problems is the first step towards understanding the math problems before us.

Pages: 1 2

Filed Under: Ask the Expert, Mathematics Tagged With: intersection, lambda, math symbols, union

Decoded Science Ebooks

Using Social Science to Improve Your Health. Image by Gina Barrett Putt

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Flying is Fun! is based on the aviation articles which Helen Krasner wrote for the magazine Flight Training News during the years 2011 to 2012. It begins with an article from Helen’s early days of learning to fly, My Learning-to-Fly Nightmare, which should provide encouragement for anyone who is struggling with the PPL course. The next three articles are about topics of general interest to private pilots. Then come a group of helicopter related articles, but these should still provide food for…Flying is Fun!

The Hunter and the Scorpion: In an endless cosmic chase the scorpion pursues the hunter, his intended victim, as they run across the sky. The Hunter and the Scorpion begins with the mythological lore behind two prominent easy to locate constellations: Orion, the Hunter, and Scorpius, the Scorpion. The Hunter and the Scorpion however encompasses much more than a constellation guidebook. Integrating ancient mythology, constellation lore, and modern astrophysics it tells the life story of stars an…The Hunter and the Scorpion

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Introducing the Binomial Coefficient for Positive Integers

Population Prediction of More Retirees, Fewer Workers by 2100

Introducing the Factorial: the Exclamation Mark of Math

Introducing Math Symbols for Union and Intersection

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Introducing the Binomial Coefficient for Positive Integers

Population Prediction of More Retirees, Fewer Workers by 2100

Trace the Source of a Rumour or Epidemic via its Network

Introducing the Factorial: the Exclamation Mark of Math

Introducing Math Symbols for Union and Intersection

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