The first blog post is usually some general introduction about the writer. I don’t like those posts so I start by testing my MathML installation.
To test it, let me try to write the “sombrero” function:
which is automagically constructed by Ron Fredericks‘ WP Math Publisher plugin using this line of code:
[pmath size=12]z=sin (sqrt (x^2 + y^2)) / (sqrt (x^2 + y^2))[ /pmath]