Today is Pi Day for 2026, the universal celebration of an amazing, mysterious, and irrational mathematical constant. What's ...

Best known as Pi Day, 3/14 is the celebration of the number that begins with 3.14159 … and never ends. Pi (π) is the ratio of a circle’s circumference to its diameter. Or, in other words, just divide ...

In school, you might have used pi to calculate the area of a circle or the volume of a cylinder, but the applications are ...

For many students, math carries a reputation that makes palms sweat before a single number appears on the board. Pi Day flips that script on ... Read moreThe post On ...

Happy Pi Day! Isn't Pi Day one of the best holidays all year? For last year's Pi Day, I determined a value of pi without even using a circle. How can you top that? I can top it by using pi to find pi.

The Raspberry Pi’s very existence can be chalked up to creativity. Ebon Upton and the Raspberry Pi Foundation created the $35 mini-PC to inspire students to learn computer science and to enable ...

Bigger isn't always better.

The video shows the participation of Physik Instrumente (PI) at LASER World of Photonics 2017—a trade fair dedicated for the laser photonics industry. Highlights and application examples of PI’s ...