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


BaseForm[expr, n]
prints with the numbers in expr given in base n.
  • The maximum allowed base is 36. For bases larger than 10, additional digits are chosen from the letters a-z.  »
  • You can enter a number in an arbitrary base using base^^digits.  »
  • When a number in an arbitrary base is given in scientific notation, the exponent is still given in base 10.  »
  • BaseForm acts as a "wrapper", which affects printing, but not evaluation.
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