Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical circles won’t tell you—your tools are too clunky to discover pi’s endless ...

Glenn Bruda came up with the idea for his calculus integration formula late one night in May 2021. He recalled going to bed at 11 p.m. after doing some math for fun. Bruda woke up at 2 a.m. feeling ...