Tag Archives: Dave Richeson

Radical Notation

Posted on April 9, 2018 by annahaensch

There was one day in my life when I got a standing ovation in a calculus class. I’ll admit, it was an extra special group of students who were prone to spontaneous outbursts of enthusiasm. Business Calc, amiright? But it … Continue reading →

Posted in History of Mathematics | Tagged , , , , | Leave a comment

It’s Not a Trick, It’s an Illusion

Posted on August 24, 2016 by evelynjlamb

I’ve stumbled on the Best Illusion of the Year Contest a few times, but this is the first year I’ve thought about the illusions mathematically. Dave Richeson wrote two posts about this illusion by Kokichi Sugihara, one of the top … Continue reading →

Posted in Recreational Mathematics | Tagged , , , | 1 Comment