Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s all in celebration of pi (Greek letter π), the mathematical constant and ...

While building a simpler model for particle interactions, scientists made a sleek new pi. Representations of pi help scientists use values close to real life without storing a million digits. The ...

Ramanujan’s elegant formulas for calculating pi, developed more than a century ago, have unexpectedly resurfaced at the heart of modern physics. Researchers at IISc discovered that the same ...

In 1655 the English mathematician John Wallis published a book in which he derived a formula for pi as the product of an infinite series of ratios. Now researchers, in a surprise discovery, have found ...

Who was the first person to calculate pi? The first person to realise that, hang on, when you divide the circumference of a circle by its diameter, you always seem to get the same number, namely ...

In new research, physicists uses principles from quantum mechanics to build a new model of the abstract concept of pi. Or, more accurately, they built a new model that happens to include a great new ...

Pi Day is celebrated every year on March 14—when the date can be written as 3.14 in U.S. date format notation. While some official events and celebrations will be curtailed by the novel coronavirus ...

Every year on March 14, people around the world celebrate Pi Day, a day dedicated to the mathematical constant π (pi) ...