Buffon's Needle π Approximation

Controls

Relative to line spacing

Statistics

Total Needles
0
Crossing Lines
0
Estimated π
--
Error
--

Buffon's Needle

This experiment drops needles randomly onto parallel lines. The probability that a needle crosses a line relates to π. Formula: π ≈ 2L/(d × P), where L is needle length, d is line spacing, and P is crossing probability.

NitaD, Univ Paris-Saclay, 2025