“I do not call my art ‘mathematical art,’” Dr. Roelofs said in a video interview about a week later. “It’s art about mathematics. Every artist has a favorite subject, things you want to talk about.

A classic riddle about a hotel bill uses misleading math to create a paradox. This type of intentional misdirection is a ...

I read the recent Reformer article about how many Minnesota school districts still haven’t recovered their test scores after ...