LN

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ln sends back the logarithm of its argument.

 

Syntax

   ln(exp_num)

 

Parameters

 

Element

Description

Restrictions

exp_num

Numerical Expression

0 < exp_num < 1e80

 

Examples

   Y = ln(27)

 

Description and Comments

This function sends back the argument's logarithm (of base e).

ln is the inverse of function exp.

The result type is Double.

 

Associated Errors

Error

Description

ERMODE (10)

The argument is not numerical.

ERLOGN (14)

The argument is negative.

ERLOGZ (52)

The argument is null.

 

Associated Keywords

LOG - EXP


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