A certain amount of people are in a room. What are the chances that two people in that room share a birthday? The answer may surprise you. (With only 23 people, you have an over 50% chance that two people have the same birthday.) WARNING: Spamming this program (typing numbers very fast) will CRASH OR FREEZE THE BROWSER. Don't do it.
All me :) For some reason some parts aren't working :( (That's why I marked it as a draft)