Archive for January 2011
Those pesky percentages
Posted by: Gary Ernest Davis on: January 13, 2011
Percentages seem to be a perennial problem. Many people have trouble figuring out percentages when circumstances – usually something at work – requires them to do so. Even the venerable Bill O’Reilly has troubles with percentages, as the following video clip shows: <object width=”640″ height=”390″><param name=”movie” value=”http://www.youtube.com/v/04EQkUS0_Y4?fs=1&hl=en_US”></param><param name=”allowFullScreen” value=”true”></param><param name=”allowscriptaccess” value=”always”></param><embed src=”http://www.youtube.com/v/04EQkUS0_Y4?fs=1&hl=en_US” type=”application/x-shockwave-flash” allowscriptaccess=”always” allowfullscreen=”true” […]
Happy mathematical new year: 2011 scores again (so does 2012, coming up in under a year)
Posted by: Gary Ernest Davis on: January 11, 2011
In a previous post I discussed how 2011 is a prime number and also a sum of consecutive prime numbers. 2011 has another curious property that it shares with 2012, and with 2001 and 2002: Reversing the digits of 2011 we get the number 1102 Squaring 1102 gives us the number 1214404. On the other […]
