New Year’s Resolution: Be more interactive

One of my New Year’s resolutions is to make this blog more interactive. To do this, I’ll be using Wolfram’s computable document format (cdf). You don’t need Mathematica to interact with .cdf files, but you do need a free plug-in. You can download the plug-in here.

Once you’ve downloaded the plug-in, you should be able to interact with .cdf files that are embedded in this blog.

A simple example is shown below. It is useful for teaching systems of linear equations in introductory algebra courses. By entering numbers into the input fields, students can experiment and try to find situations where there are no solutions, a unique solution, or an infinite number of solutions. The image can be rotated by dragging.

[WolframCDF source=”” CDFwidth=”504″ CDFheight=”642″ altimage=””]

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Ben Nolting

Ph.D. Candidate at University of Nebraska

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