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What (if any) pedagogical benefits do you believe graphic calculators offer and why?

Graphics calculators have the benefit of doing multiple graphs, manipulating tables of data and solving multiple equations all quickly.  This can save a lot of time for students who need these all done to gain understanding and an intuition about a topic.

What (if any) pedagogical benifits do you believe the interactive whiteboard offers and why?

Teaching mathematicics is involves communicating ideas and concepts. Some of these can be difficult with wordy explanations s or even blackboard diagrams. The interactive whiteboard can give understanding to ideas through easy manipulations on the whiteboard which would be difficult to do any other way. Also students seem to be more interested in the lesson simply because of the technology. These things have can increase learning of the students.