Month: October 2012

1500+ Mathematics Video Lectures

Audio, Video and Animation, High School Mathematics

In addition to the 5000 videos that I have shared to you last year, I have recently discovered more than 1500 links to mathematics video lectures in Pinterest. The links cover a wide variety of topics which include K-12 Mathematics, Math Interviews and Humor, Famous Mathematicians,  Student Lectures, and many more.

The collection also includes undergraduate and graduate content topics such as Abstract Algebra, Graph Theory, Topology, Number Theory, Optimization, etc.

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GeoGebra Sneak Peek 3: Graphics and Layout

GeoGebra

In GeoGebra 4.2, the Graphics View and the Object Properties window were merged into the new Preferences window.  The Preferences window is divided into 5 section tabs: the Object Properties which was discussed in  the GeoGebra 4.2 Sneak Peek 2, the  Graphics, Layout, Default, and Advanced sections. In this post, we take a peek at the changes and updates made in the Graphics and the Layout sections.

In GeoGebra 4.0, it is only possible to place an arrow on the positive direction of the x and y axes. GeoGebra 4.2 allows arrows on both directions of the x and y axes.  The Navigation for Construction Protocol which was in the View menu of GeoGebra 4.0 is now included in the Graphics section. » Read more

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The GeoGebra 4.2 Sneak Peek Series

GeoGebra

GeoGebra 4.2 is expected to be released within the year. Before its release, let us take a peek at the new features and the changes in GeoGebra.

  1. Sneak Peek 1:  The GeoGebra Window
  2. Sneak Peek 2: The Object Properties
  3. Sneak Peek 3: Graphics and Layout
  4. Sneak Peek 4: Defaults and Advanced Sections
  5. Sneak Peek 5: Ten New Improvements

This series has just started and will be updated from time to time.

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