ln

calculate the natural logarithm of given value

Parameters

ln value :integer :floating :complex :rational

Returns

  • :floating
  • :complex

Examples

copy
print ln 1.0                ; 0.0
print ln 0                  ; -inf
print ln neg 7.0            ; nan

copy
ln to :complex @[pi 1]
; => 1.19298515341341+0.308169071115985i

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