Monthly Archives: September 2017

Michael Pershan’s Problem Problems

I have enjoyed math teacher Michael Pershan’s work for a long time. I follow him on Twitter, and I wrote about his website Math Mistakes a few years ago because, darn it, mistakes are interesting! A couple years ago, he … Continue reading

Posted in K-12 Mathematics, Math Education | 1 Comment

That Neural Net That Predicts Sexual Orientation

A neural network is one way to achieve machine learning. Modeled after the human brain, a neural net teaches a computer how to do some task by processing a huge set of training data. The data passes through the network … Continue reading

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Public Domain Math

Many pieces of mathematics — for example, simple geometric shapes and some mathematical formulas — are uncopyrightable or unpatentable. You can’t copyright a square or patent the area formula for a circle. Anyone can use them. But this post is … Continue reading

Posted in History of Mathematics | Tagged | Leave a comment