The $e\psilon-\delta$ definition states that the limit of $f(x) = L$ as $x$ approaches $a$ if for all $\epsilon > 0$, there exists a $\delta > 0$, such that if $|x-a| < \delta$, then $|f(x) - L| < \epsilon$. The applet below courtesy of Sylvain Berube, shows its geometric interpretation.
Sunday, February 27, 2011
Friday, February 25, 2011
Wednesday, February 23, 2011
Rotation and Area Relationship
- ABCD' is a square. What shape is IJKL? Justify your answer.
- What is the relationship between the area of ABCD' and IJKL?
- Move slider α to the extreme right to verify your answer.
Tuesday, February 15, 2011
St. Valentin
Happy Valentines Everyone. Here's an excellent applet created with GeoGebra.
Courtesy of Daniel Mentrard. Ggb file can be downloaded here.
Friday, February 11, 2011
Saturday, February 5, 2011
Using the Text Tool
This post is the output of the tutorial that I will post soon. If you want to learn more about GeoGebra, I have created more than 50 tutorials here.
Friday, February 4, 2011
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