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


gives the native ordering of bytes in binary data on your computer system.
  • +1 corresponds to big endian (appropriate for 680x0 and many other processors); -1 corresponds to little endian (appropriate for x86 processors).
  • +1 corresponds to having the most significant byte first; -1 to having the least significant byte first.
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