[texhax] parts per mil

[Philip G. Ratcliffe]

> Hi there, I've looked high and low for this but can't seem to 
> find it. 
> How do you get parts per mil notation in LaTeX? (Where ppm is 
> similar to 
> a % but with two little zeros on the bottom of the fraction). 

Next time try looking in 

...\texmf\doc\info\symbols\comprehensive\symbols-a4.pdf

It comes with MiKTeX and is available on CTAN.

Cheers,  Phil