Archive for September, 2009
Wednesday, September 9th, 2009
Today is 9/9/09 and here, in New Mexico, it's almost 9:09pm. In honor of 9/9/09 09:09 I want to bring to your attention an article from today's Wolfram Blog. It has 9 formulas with with lots of 9's in their evaluation. And, it shows the Mathematica formulas for them and ...
Posted in Uncategorized | No Comments »
Tuesday, September 1st, 2009
Every now and then someone offers to send me a book to review. I have a hard time saying no to fun math books. If I find something I like about the book I'll spend the time to write my impressions.
Penguin offered me a copy of Derrick Niederman's new book, ...
Posted in Book Review | 3 Comments »
Tuesday, September 1st, 2009
Here's a great optical illusion I found at this URL. I don't recall how I got to the page. It might have been from a twitter link.
This is a really cool illusion because, to my eyes, it looks like the circles cross. But, when I look closely I see that ...
Posted in Fun | 2 Comments »
Tuesday, September 1st, 2009
I'm going to take a break from MMM puzzles for some time. I do owe a prize for MMM #38 and I'll give one out shortly. I also will go through the MMM #37 solutions to see if there are other prizes to give out there.
What I'll do for now ...
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