Pi for the Gamer

For all those times when you forget the value of pi but just so happen to have a twenty-sided die (d20), here’s a simple way to do the calculation:

1) Roll 2d20 (roll the twenty-sided die twice)
2) If the sum of the two rolls is less than 27, or if you rolled double 20’s, count this as a success
3) Repeat this process n times, keeping a cumulative total of the number of successes

Pi = 4 * [# of successes] / [n]

Aren’t you glad you carry that d20 in your pocket?