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Bad PI Approximation

  1. let inside = 0;
  2. let precision = 1e6;
  3. for (let i = 0; i < precision; i++){
  4.   const xp = 0.5 - Math.random();
  5.   const yp = 0.5 - Math.random();
  6.   if (Math.sqrt(xp * xp + yp * yp) < 0.5) {
  7.     inside++;
  8.   }
  9. }
  10. console.log(inside / precision * 4);

This is a funny one, someone described this to me once and I coded it up over on actionsnippet.

snippet.zone ~ 2021-22 /// {s/z}