Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — ...

Irrational numbers are numbers that cannot be expressed as the ratio of two whole numbers. This is opposed to rational numbers, like 2, 7, one-fifth and -13/9, which can be, and are, expressed as the ...

The proof resolves a nearly 80-year-old problem known as the Duffin-Schaeffer conjecture. In doing so, it provides a final answer to a question that has preoccupied mathematicians since ancient times: ...

Earlier this year, a first-time academic author published a new mathematical study in the journal Research in Number Theory. The twist? The researcher, Christopher Havens, is also serving a 25-year ...

This Pi Day, as you’re enjoying your slice of pie, explore a bigger slice of mathematics. Most March 14 celebrations are obsessed with the number pi. If you think “obsessed” is too strong, take a look ...

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, ...

The Kansas Statehouse dome. Long-ago effort to legislate the math of circles offers lesson for legislators today. The Wichita Eagle file photo The celebration of Pi Day this past week marked the ...