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Documentation / Mathematica / Built-in Functions / Numerical Computation / Numerical Precision /

$MachinePrecision

FilledSmallSquare $MachinePrecision gives the number of decimal digits of precision used for machine-precision numbers.

FilledSmallSquare A typical value of $MachinePrecision is or approximately 16.

FilledSmallSquare $MachinePrecision is the numerical value of MachinePrecision.

FilledSmallSquare See Section 3.1.4 and Section 3.1.6.

FilledSmallSquare See also: MachinePrecision, $MachineEpsilon, $MinMachineNumber, $MaxMachineNumber.

FilledSmallSquare Related package: NumericalMath`ComputerArithmetic`.

FilledSmallSquare New in Version 2; modified in 5.0.