[pstricks] Plotting a function

[Cosi Lein]

Dear Herbert,

>> @Herbert: a "unit-problem" seems plausible... But if I use your 
>> suggestion, I get a line instead of my function?

>sure, it depeneds to your chosen interval for x

Aha! (Thanks!)

> the root is not 0 because f(0)=-20000
sorry - I think I worked with to much functions today and now I can't
see the wood for the trees;-)

Now it works perfectly - thank you very much! Think I have to learn some
"scale-transformation" in pstricks...

Have a nice Sunday evening,
Cosi.