example

> exp(0)
        1
> exp(1)
     2.72
> exp(2)
     7.39
> exp(1)^2
     7.39
> exp(54)
 2.83e+23
> exp(3.2)
     24.5
> exp(-23)
 1.03e-10
> exp([0,1,2,5,34,2.543])
 matrix columns 1 thru 6
        1       2.72       7.39        148   5.83e+14       12.7