Posted by: Gary Ernest Davis on: April 28, 2010
Computational media and “What if?” Digital technology allows greater computational power in smaller and more portable, and affordable devices. Â By “computational” I do not mean only “doing sums”. Software such as Geogebra , Geometer’s Sketchpad and Cabri are also computational media. What makes them so is their use of computation to keep track of relationships […]
Posted by: Gary Ernest Davis on: April 27, 2010
The unusual title for this post comes from a tweet from my Twitter colleague Peter Flom. Peter tweeted that he was thinking about writing numbers in base 2.5 I recalled that some years ago when I was teaching a graduate mathematics education class at Rutgers, we looked at an algorithm for generating the expansion of […]