A flat disk that acts as a two-sided die.
Coin
See also
Bernoulli Trial, Cards, Coin Paradox, Coin Tossing, Dice, Four Coins Problem, Gambler's RuinExplore with Wolfram|Alpha
References
Brooke, M. Fun for the Money. New York: Scribner's, 1963.Referenced on Wolfram|Alpha
CoinCite this as:
Weisstein, Eric W. "Coin." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Coin.html