They enjoyed the work and all could effectively communicate about what the computer showed them. Mostly improved the climate, only because it gave the students things to tinker with and learn even when they are not making progress on their assignment. It gave the students more power in writing a report. They appreciated the experience. Some were much more accomplished with the technology and had to be urged to share enough.
Technology is a tool to solve problems.
The interaction among students with the Graphing calculator or without the graphing calculator is not much different. Students like to discuss using the calculators. With a limited number of computers in our Lab it made access to needed software much easier to accomplish. Statistics need a lot of number crunching if one would use activity-based approach. Computer technology is essential.