This entry was posted on November 29, 2007 at 4:07 pm and is filed under math, mathematics, number, triangular number, video podcast with tags math, math video blog, math video lecture, mathematics, video blog. You can follow any responses to this entry through the RSS 2.0 feed
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November 29, 2007 at 5:33 pm
Great!
January 6, 2008 at 10:31 am
Hi! Let me echo the other comment – outstanding, informative, well-done!
I may have missed your contact info but I’d appreciate it if you would contact me at my email address above. I would like to ask you some questions re the technology behind your high-quality video lessons. If you visit my blog, you will understand my interest.
Dave Marain