# [pstricks] Redefined math symbol \Pi

Herbert Voss LaTeX at zedat.fu-berlin.de
Sun Jun 25 21:52:50 CEST 2006

```Thorsten Donig wrote:

> Since the last MiKTeX update on June 24th 2006 i have a problem with the
> math symbol for the greek capital Pi. It seems that the pstricks-add
> package from June 18th 2006 redefines the command \Pi in a way, that
> there is given out an error message by the mathpazo package of an
> already defined command. I excluded systematically all other error
> sources. The error occures when including the pstricks-add package
> before the mathpazo package. But i would like to use mathpazo and
> mathpazo there is no longer the greek capital but the numerical value
> pi=3.14… and no error message ist given out by the latex compiler. If
> mathpazo is not included, the result is the same. In the psttricks-add
> documentation i found that the value provided by the \Pi command is used
> for axis units when plotting trigonometrical functions. I suggest that
> the command is renamed to \PI or \pstPi (similar to \pstPI2 in pst-math
> package) to avoid collision with other packages and defintions by
> standard class files. Or is there another alternative?

I renamed the macros to \psPixxx and also the two