PROBLEM TO BE SOLVED: To provide a money unit assuring easiest use of money with which various persons can prepare for desired money with less number of coins or notes, can shorten the time required for ordering of the amount of money and for checking in amount of money at the time of exchanging the money, and can reduce weight of a purse through reduction of the number of coins or notes in the purse.;SOLUTION: Combination of the 'number of heads 1 and number of heads 4' has been provided as the money unit which assures easiest use of the money for a person under the rule of the decimal notation. It is also desirable to provide only the money unit of the number of heads 1 for the digits of a large mount of money in a lower application frequency of the money.;COPYRIGHT: (C)2002,JPO
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