## Archive for December, 2009

### Math Midway at the Da Vinci Science center

Posted by: **Dave Richeson** on December 30, 2009

### Showing two expressions are equal: stop the madness

Posted by: **Dave Richeson** on December 27, 2009

### Twitter and Origami

Posted by: **Dave Richeson** on December 17, 2009

### Edublog award nomination

Posted by: **Dave Richeson** on December 11, 2009

### Mathematical holiday cookies at Starbucks

Posted by: **Dave Richeson** on December 7, 2009

### Euler’s formula in a children’s book

Posted by: **Dave Richeson** on December 6, 2009

### Cobweb plots for the logistic map: a Geogebra applet

Posted by: **Dave Richeson** on December 5, 2009

### An applet illustrating a continuous, nowhere differentiable function

Posted by: **Dave Richeson** on December 2, 2009

### Applet for discrete dynamical systems

Posted by: **Dave Richeson** on December 2, 2009