Links of possible interest to math teachers and the mathematically inclined http://jbaber.freeshell.org/ Links of possible interest to math teachers and the mathematically inclined en-us http://www.rssboard.org/rss-specification http://jbaber.freeshell.org/heyrss.gif Links of possible interest to math teachers and the mathematically inclined http://jbaber.freeshell.org/ This is an RSS feed with links of possible interest to math teachers and the mathematically inclined Get a large sample size before extrapolating. http://xkcd.com/605/ Comcast thinks 0 is positive. http://consumerist.com/5265953/comcast-threatens-to-cut-you-off-unless-you-pay-000 Surely fake 911 call for math help. http://www.entertonement.com/clips/yqmmjfzynr--Math-Homework-911-Call This youtube user hosts many Square One TV sketches. http://www.youtube.com/watch?v=aDqrW85RECE Free math textbooks online. I can confirm that they're not _all_ just by cranks. http://www.e-booksdirectory.com/mathematics.php How the Romans multiplied Roman Numerals and why it works. http://www.phy6.org/outreach/edu/roman.htm How misused calculators embarassed a traffic officer. http://www.thisisplymouth.co.uk/regional/Traffic-warden-couldn-t-tell-time/article-222675-detail/article.html Why don't they let me use calculators? http://math.jhu.edu/~jbaber/calculators/ Exotic multiplication and division from strange textbooks http://www.videosift.com/video/Math-Education-An-Inconvenient-Truth Supermathematics http://www.superdickery.com/index.php?option=com_content&view=article&id=676 A nice use of log-scale plotting. http://xkcd.com/482/ Everything you always wanted to know about trig (but were afraid to ask). http://www.math.jhu.edu/~jbaber/trig_review3.pdf Benford's Law http://en.wikipedia.org/wiki/Benford%27s_law Embarassing math rap. http://www.videosift.com/video/Mathmaticious Longish talk about statistics http://www.videosift.com/video/How-Juries-Are-Fooled-By-Statistics Multiplication Method for large numbers http://www.youtube.com/watch?v=owMjAbkU1eE Sophomore's Dream http://en.wikipedia.org/wiki/Sophomore's_dream Pythagorean theorem applied to everything http://betterexplained.com/articles/measure-any-distance-with-the-pythagorean-theorem/ Mobius transformation eye-candy http://www.youtube.com/watch?v=JX3VmDgiFnY Self-referential formula http://en.wikipedia.org/wiki/Tupper_self-referential_formula Example of mathematical ignorance misconstruing statistics http://www.straightdope.com/columns/070907.html 8 minute mock documentary about math http://youtube.com/watch?v=MiMWJ1xBo8w Magazine misprint http://jbaber.freeshell.org/misc/arkansaseducation.jpg Some innumeracy anecdotes http://zenoferox.blogspot.com/2007/08/fun-with-percentages.html Infamous verizon dollar and cents arithmetic mistake http://consumerist.com/consumer/asinine/transcript-verizon-doesnt-know-how-to-count-220723.php