A coin flipper simulates a fair coin toss with 50% probability of heads or tails. Despite the simplicity, coin flipping is the foundation of binary decisions, probability theory, and cryptographic key generation.
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Pro Tip
The Law of Large Numbers guarantees heads and tails even out over many flips — but NOT that they "must" even out soon. After 10 heads in a row, the next flip is still exactly 50/50.
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Did You Know?
A real coin flip is not perfectly fair — the side facing up before the toss lands face-up slightly more than 50% of the time (~50.8%) due to the physics of angular momentum. Professional statisticians use this when it matters.
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