When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

Math lovers celebrate today (3/14) as Pi Day, in honor of the irrational number pi. Pi, or π, is defined as the ratio of the circumference of a circle to its diameter. Pi is an irrational number, ...

Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — appears throughout mathematics, including in areas that are completely ...

Pi Day, 3/14, coincides with the first three digits of one of the most important numbers in math.

The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity. By Steven Strogatz This article, ...

Why do irrational numbers exist? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world. Answer by Alon Amit, PhD ...

Math lovers celebrate today (3/14) as Pi Day, in honor of the irrational number pi. Pi, or π, is defined as the ratio of the circumference of a circle to its diameter. Pi is an irrational number, ...

In Economics, the idea of someone acting in a “rational” way implies that they make decisions that maximize their own utility, and that they do so consistently. in Mathematics, the same word means ...

A new number theory paper comes from three academic researchers and, astonishingly, one prison inmate. Number theory is full of complex problems with applications in cryptography and more. The paper ...