Long, long ago, before I discovered the joys of public school administration, before I fled from said administrative post for the easy life of private industry, before I left private industry behind to focus on writing and educational policy, I was a math teacher. And in my math classes, we rarely used calculators, says Christopher Dawson for ZDNet. Calculators are designed to eliminate the need for repetitive, tedious arithmetic, leaving time to actually think about the math. When used correctly in the classroom, modern graphing calculators can do wonders for visualization, simulation, and encouraging that critical thought that we're all...
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