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


represents an exact integer or an approximate real number in Read.
  • An integer is returned if no explicit decimal point is present.
  • Approximate real numbers can be given in C or Fortran forms, such as 2.4E5 or -3.4e-4.
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