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Function that returns the natural logarithm of value.

Syntax

real log (real value)

value

Logarithm argument

Result

Returns the natural logarithm of value

Validity

Rule, Task

Note

Example of use:

reso = log(100)  ; reso = 4.605170185988092

reso = log(1000) ; reso = 6.907755278982137

reso = log(1)    ; reso = 0

reso = log(0)    ; reso = -inf

 
  

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