Evaluate

WOLFRAM|DEMONSTRATIONS PROJECT

Getting e from Randomness

trials

seed random

0

200

400

600

800

1000

2.60

2.65

2.70

2.75

2.80

2.85

trials

running average of trials

In a running average, the sum of

n

trials is divided by

n

. If you select

k

real numbers between 0 and 1 until the total exceeds 1, the running average of

k

approaches

e≈2.71828…

, shown here as a solid purple line.