You probably have the module you need already installed.
I did it successfully like this:

perl -e 'use Math::Complex; print log(-2.8e-05);'


On Wed, 2003-02-05 at 11:41, [EMAIL PROTECTED] wrote:
> hi all,
> i am using perl 5.8.0 on ix86. i was using an inbuilt function log().
> i am not able to get the log value of the following number at the command
> line  using :
> 
> print -e 'print log(-2.8e-05);'
> 
> -- it says :
> Can't take log of -2.83e-05 at -e line 1.
> 
> -- how do i solve it ? do i have
> to install any other module for logarithms ?


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