The GeoGebra 4.0 Essentials Series and other updates

Hi all. Please take note of the following updates and announcements.
  1. All the tutorials in the GeoGebra Essentials Series are now updated to GeoGebra 4.0. I am working on the other tutorials as well.
  2. For those who want to add me up in Google+, please see the side bar or use mathandmultimedia@gmail.com . You may also want to add me up on on Linkedin.
  3. If you do not want your emails to be flooded with posts (I usually make one post a day), you may follow me on Facebook, Twitter, or Friend Feed. Of course, you are welcome to  subscribe to my RSS feeds.
  4. If you want to contact me, please do not use the comment form.  I am receiving at least a hundred spam comments a day, so I might not see some comments. If it’s important, please email me at mathandmultimedia@gmail.com.

Happy holidays!

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