50g

Yea, the problem is that you get negative rotation that way.  I need
the range to be positive full circle from pi/2.  I think I'm just
going to cascade a series of if statements and modify the result of
atan based on the signs of the arguments.

It will not be pretty.

EKW 



--- In 50g@yahoogroups.com, "Juan C." <jcbuchin@...> wrote:
>
> 
> 
> Your hp 50g does not have a function like that, I suggest a code like
> this:
> 
> 
> 
> 
> « R->C ARG »
> 
> or if you want:
> 
> « -> x y 'ARG(x+i*y)' ->NUM »
>