This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

MachinePrecision

MachinePrecision
is a symbol used to indicate machine-number precision.
  • MachinePrecision is the default specification for precision in N and other numerical functions.
  • The option setting WorkingPrecision->MachinePrecision specifies that internal computations in numerical functions should be done with machine numbers.
New in 5