Gezwitscher

• What is about the young Iraqi guy who reportedly found a new formula concerning the Bernoulli numbers? 5 months ago
• I've just figured out the plot function in WolframAlpha. For example 'plot (x^2+1)/(x^2-1)' and you'll get a nice plot. 6 months ago
• The WolframAlpha (http://www.wolframalpha.com/) is pretty cool. I tried 'julia set c = i' and got a nice picture. 6 months ago
• Found a great site about hyperbolic tesselations: http://tinyurl.com/dubn (via John Baez's latest stuff) 6 months ago
• 2009=7^2 times 41. Are there therefore 5 isomorphism classes of groups of order 2009? # of abelian groups:2. How do the others look like? 7 months ago