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  2. Penny (United States coin) - Wikipedia

    en.wikipedia.org/wiki/Penny_(United_States_coin)

    The cent, the United States of America one-cent coin (symbol: ¢ ), often called the " penny ", is a unit of currency equaling one one-hundredth of a United States of America dollar. It has been the lowest face-value physical unit of U.S. currency since the abolition of the half-cent in 1857 (the abstract mill, which has never been minted ...

  3. Change-making problem - Wikipedia

    en.wikipedia.org/wiki/Change-making_problem

    The change-making problem addresses the question of finding the minimum number of coins (of certain denominations) that add up to a given amount of money. It is a special case of the integer knapsack problem, and has applications wider than just currency. It is also the most common variation of the coin change problem, a general case of ...

  4. Coinmarketcap - Wikipedia

    en.wikipedia.org/wiki/Coinmarketcap

    In November 2021, Coinmarketcap was cited by Vice, The New York Times and some other media for warning users of the "Squid" coin fraud scheme, which falsely claimed to be affiliated with the Squid Game TV show. The website is also a source for crypto exchanges rankings.

  5. Coin problem - Wikipedia

    en.wikipedia.org/wiki/Coin_problem

    In mathematics, the coin problem (also referred to as the Frobenius coin problem or Frobenius problem, after the mathematician Ferdinand Frobenius) is a mathematical problem that asks for the largest monetary amount that cannot be obtained using only coins of specified denominations. [1] For example, the largest amount that cannot be obtained ...

  6. Paper Money Value by Serial Numbers: Determine Your ... - AOL

    www.aol.com/paper-money-value-serial-numbers...

    On eBay, these kinds of bills can sell for anywhere from $20 to $100. The lower the serial number, the more valuable the currency is considered to be; a bill with the serial number 00000001 could ...

  7. Checking whether a coin is fair - Wikipedia

    en.wikipedia.org/wiki/Checking_whether_a_coin_is...

    The probability that this particular coin is a "fair coin" can then be obtained by integrating the PDF of the posterior distribution over the relevant interval that represents all the probabilities that can be counted as "fair" in a practical sense. Estimator of true probability (Frequentist approach). This method assumes that the experimenter ...

  8. Penny debate in the United States - Wikipedia

    en.wikipedia.org/wiki/Penny_debate_in_the_United...

    A debate exists within the United States government and American society at large over whether the one-cent coin, the penny, should be eliminated as a unit of currency in the United States. The penny costs more to produce than the one cent it is worth, meaning the seigniorage is negative – the government loses money on every penny that is ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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