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log10()

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log10() returns the common (base-10) logarithm function.

Syntax

log10(x)

Arguments

  • x: A real number > 0.

Returns

  • The common logarithm is the base-10 logarithm: the inverse of the exponential function (exp) with base 10.
  • null if the argument is negative or null or can't be converted to a real value.

See also

  • For natural (base-e) logarithms, see log().
  • For base-2 logarithms, see log2()