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Documentation / Mathematica / Built-in Functions / Mathematical Functions / Elementary Functions /

Log

FilledSmallSquare Log[z] gives the natural logarithm of z (logarithm to base ).

FilledSmallSquare Log[b, z] gives the logarithm to base b.

FilledSmallSquare Mathematical function (see Section A.3.10).

FilledSmallSquare Log gives exact rational number results when possible.

FilledSmallSquare Log[z] has a branch cut discontinuity in the complex z plane running from to .

FilledSmallSquare See Section 1.1.3 and Section 3.2.6.

FilledSmallSquare See also: Exp, Power, Arg, MantissaExponent, ProductLog, HarmonicNumber.

FilledSmallSquare New in Version 1.

Further Examples