Month: July 2011

GeoGebra 4.0 Sneak Peek 7: Text box and Command button

GeoGebra, Software Tutorials

The most significant improvement (I think) in GeoGebra 4.0 is the inclusion of Insert text and Insert button tools.  Before, we needed to have knowledge in HTML codes and basic Javascript to create text boxes in applets, but now all we have to do is just use these tools.

The text tool and command button is ideal for getting input form the user if we convert our worksheet to HTML and we do not wish to show the input box. The input box is used to get input from the user and the command button is used to contain commands or series of commands. For instance, the command button above has the following code: » Read more

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Carnival 13 deadline and more

Announcements, Miscellaneous
  • The Mathematics and Multimedia Carnival 13 will be hosted here. To submit your articles, click here. The deadline of submission s on July 29, 2011 and the post date is on July 31, 2011.
  • To all GeoGebra users and enthusiasts, I have a group blog for posting  GeoGebra applets. You are invited to show the world your GeoGebra applets there.
  • Math and Multimedia is accepting guest posts. If you are a blogger and you want to promote your blog, one of the most effective ways is to guest post.  Math and Multimedia is currently averaging 50,000 pageviews (23,000+ unique viewers) a month, so guest posting will likely boost your traffic. Advertisers are, of course, welcome. 😀
  • Wanted: Carnival Hosts. If you want to boost your traffic, you may want to host the Math and Multimedia Carnival.
  • You may also want to submit to Math and Multimedia’s sister carnivals,   Math Teacher’s at Play Carnival organized by Let’s Play Math and the Carnival of Mathematics.
If you have questions email me at mathandmultimedia@gmail.com

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Geometer’s Sketchpad Essentials 1 – Locating the Centroid

Geometer's Sketchpad, Software Tutorials

This is the first tutorial in the Geometer’s Sketchpad Essentials (GSP) Series.  In this tutorial, we are going to investigate the medians of a triangle. We will learn how to use the basic tools: Point Tool, Selection Arrow Tool, and the Segment Tool. If you are not familiar with GSP, you may want to read Introduction to Geometer’s Sketchpad.

The output of our tutorial is shown in the Figure above; points D, E, and F are midpoints of the sides of triangle ABC.  » Read more

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