Mathematics lesson and learning tools

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Latest updated: Probability - Bayes' Theorem, Worksheet Generator - added fractions, Matrix Calculators, Gauss-Jordan Elimination - automatically append Identity Matrix, Simultaneous Linear Equations, Probability: Bayes' Theorem, Significant Figures Calculator, Geometric Linear Transformation, Permutations and Combination Calculator

Mathematics News

» Computing: Improving security in the cloud
Thu, 15 Dec 2011 09:54:54 EST
New encryption research may lead to improved data security, even for operations performed on remote servers.
» Study debunks myths about gender and math performance
Mon, 12 Dec 2011 15:31:31 EST
A major study of recent international data on school mathematics performance casts doubt on some common assumptions about gender and math achievement -- in particular, the idea that girls and women have less ability due to a difference in biology.

Provided courtesy of: ScienceDaily: Mathematics News
Explore a wide range of recent research in mathematics. From mathematical modeling to why some people have difficulty learning math, read all the math-related news here.

» Unlike Patriots, NFL slow to embrace 'Moneyball'
Fri, 03 Feb 2012 13:37:33 EST
(AP) -- It's advice that sounds like heresy on the gridiron: Go for it on fourth down. Try more onside kicks. Running backs don't matter much.
» 'Touch' TV series uses numbers to connect people
Thu, 26 Jan 2012 08:40:04 EST
Think about all of the different people that you come in contact with on any given day: family, friends, coworkers and strangers going about their lives. The fateful hijacking of Flight 93 on 9/11 showed how a plane full of people could be connected in a way that none of the passengers could have imagined as they boarded their flights.

Provided courtesy of: PHYSorg.com: Mathematics News
PhysOrg.com provides the latest news on mathematics, math, math science, mathematical science and math technology.

» A 3.8-Sigma Anomaly | Cosmic Variance
Sat, 04 Feb 2012 17:33:32 +0000
Every professional football game begins with the flip of a coin, to determine who gets the ball first. In the case of the Super Bowl, the teams represent the National Football Conference (NFC) or American Football Conference (AFC). Interestingly, the last 14 coin flips have been won by the NFC. Working out the numbers, the [...]
» 20 Things You Didn't Know About... Clouds
Mon, 30 Jan 2012 17:35:00 +0000

4  So much for People Power. After reviewing 40 years of cloud-seeding efforts in an area north of Israel, researchers at Tel Aviv University have concluded that seeding doesn’t actually produce additional precipitation (pdf).

12  Highest of them all: 50 miles up, noctilucent, or “night shining,” clouds glow an eerie bluish white. They are invisible by day, but after sunset they catch solar rays shining from far below the horizon.

13  Noctilucent clouds seemed to first appear after the 1883 eruption of Krakatoa and are now a common sight.

18  In 1959 Lt. Col. William Rankin was flying his F-8 fighter jet over a cumulonimbus when the engine failed. He parachuted out and spent the next 30 minutes bounced around inside the storm. Amazingly, he survived.

19  In 2007 German paragliding champion Ewa Wisnierska experienced “cloud suck.” While gliding under a cumulonimbus, she was pulled upward to 32,000 feet. She blacked out due to lack of oxygen but regained consciousness at roughly 23,000 feet.

Image: A lenticular cloud over the Tararua Mountains in the North Island of New Zealand. Courtesy: NASA


Provided courtesy of: Discover Physics & Math
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