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Author Note This report was written for a final school project in 2016. I’ve posted that report here with a few adjustments for WordPress. Some links have become stale and thus replaced or removed from the below texted. Also, I apologize for my pretentious use of Greek letters. Executive Summary Measurement projection is a complicated…

Children love toys and my children love playing with their train set. At some point in time, I purchased a motorized train engine to add to their collection. Its operation was fairly simple, push the switch forward and the train engine moves forward and push the switch backward to reverse its direction. After the first…