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 ...

KUSA – If you're a math nerd, March 14 is a pretty magical day. And this year, 03/14/15 is especially awesome. And while some use Pi Day as an excuse to eat pie (the food)/make puns, others use Pi Day ...

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, ...

Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous of irrational numbers, pi. Pronounced pie, written as π, and summed up by ...

Test yourself on math's most famous constant with this pi quiz. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On March 14 mathematicians ...

Math lovers celebrate March 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, meaning ...

Pi Day is a favorite holiday for both food lovers and mathematicians. For the foodies, the reasoning is simple. Pi Day brings discounts and deals for people looking to grab a pizza to celebrate the ...

It’s Pi Day – the day that math geeks across the globe collectively pause to celebrate the first three digits of pi, or 3.14. The mathematical constant, which is the ratio of a circle’s circumference ...