1) Yes, sure.<br><br>1a) If you have installed the TeX Live edition for Mac, PSTricks is included. You can easily check with one of the examples from <a href="http://www.tug.org/PSTricks/main.cgi?file=examples">http://www.tug.org/PSTricks/main.cgi?file=examples</a><br>
<br>2) CTAN: <a href="http://www.ctan.org/tex-archive/graphics/pstricks/">http://www.ctan.org/tex-archive/graphics/pstricks/</a><br><br>To install, you should create a localtexmf folder, etc., etc. (Takes some time) Just try first if it hasn't been installed.<br>
<br>Uwe<br>