ps2pdf messes up the paper margins when you run it on a A4 landscape postscript file, because it assumes letter sized paper per default. To fix this, you can either fiddle around in the shell scripts itself or RTFM and invoke the command correctly:
Most hosting providers don’t have LaTeX packages installed on their servers and installing LaTeX yourself is usually only possible on rootservers, which are quite a bit more expensive (and therefore much less common) than regular hosting plans. However, there is a great project called MathJax, that enables you to display formulas directly inside your wordpress posts without the need to… Read more »