Because it’s March 14—yes, 3/14—and 3.14 is the value of pi to two decimals. Of course, the actual number continues to an infinite number of decimal places: 3.14159265359 … and so on, forever.

Pi Approximation Day occurs every July 22nd. It celebrates pi, a key mathematical constant. Pi relates a circle's ...

Draw a circle 1 metre across, and its circumference will be pi metres. A circle 1 centimetre across will be pi centimetres around. Ok, but what makes π so special? As the above circle unrolls and its ...

Okay, so Pi — most commonly written as the Greek symbol π — is an essential mathematical constant, equal to 3.14, or 3.1415926, or 3.1415926535897932384626433832795, depending on what kind of ...

This is half of a circle with a radius of 1 (no units) such that it would have an area of pi/2. If I find the area with some other method, I can just multiply this area by 2 and get pi.

All those who have tried it have run afoul of pi, the ratio between the circle's diameter and circumference. Pi is the annoying figure that begins with "3.14159" and continues until everyone has ...

National Pi Day is held each year on March 14. It honors 3.14 the ratio of the circumference of a circle. You can also get deals on food too.