I can write equations in blogspot using latex command: $1+x^2$.
The Function \[\frac{sin(x)}{x}\] .
Since I did not include the p tag to it, it was not interpreted.
http://www.codecogs.com/pages/forums/pagegen.php?id=1675
However, If I add the p html-tag, it will appear as:
The Function \[\frac{sin(x)}{x}\] .
One can also type the latex and paste in the blog posts...
http://codecogs.izyba.com/latex/eqneditor.php
Just remember to put
in the post
I am not sure how to change the dark background...