ComputerNumber

ComputerNumber[x]
gives the ComputerNumber object equivalent to the ordinary number x in the arithmetic currently in effect.

ComputerNumber[sign,mantissa,exp]
gives the ComputerNumber object whose value is , where b is the base in the arithmetic currently in effect.

ComputerNumber[sign,mantissa,exp,value,x]
is the complete data object that makes up a computer number.

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