Pi can be calculated using a random sample of darts thrown at a square and circle target.

The area of a circle is pi times the radius squared. This is half of a circle with a radius of 1 (no units) such that it would have an area of pi/2.

Click here to view the video Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational mathematical constant. Okay, so Pi — most commonly written as the Greek symbol π — is ...

Every year, the celebration of Pi Day (March 14 is 3.14) grows more ambitious. Math teachers love to dream up unique classroom activities to celebrate Pi for it endless opportunity to calculate (3 ...

Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational mathematical constant.

Happy Pi Day! Here's how you can empirically determine the value of this well-known mathematical constant.

Pi helps you calculate the area of the circle. To determine the volume (V) of the cylinder - use pi, half the diameter of one circle (r, or radius) two times (two circles) and the height (h).

Swiss researchers said on Monday they had calculated the mathematical constant pi to a new world-record level of exactitude.