TeXing away

Spotted a new plugin for incorporating TeX into MT

[tex]x^2+y^2[/tex]

[tex]\Large f(x)=\int_{-\infty}^x e^{-t^2}dt[/tex]

[tex]\Large e^x=\lim_{n\to\infty} \left(1+\frac~xn\right)^n[/tex]

[tex]\Large\left.\begin{eqnarray} x+y+z&=&3\\2y&=&x+z\\2x+y&=&z\end{eqnarray}\right\}[/tex]

[tex]\Large\hspace{5}\unitlength{1} \picture(175,100){~(50,50){\circle(100)} (1,50){\overbrace{\line(46)}^{4$\;\;a}} (52,50){\line(125)}~(50,52;115;2){\mid}~(52,55){\longleftar[60]} (130,56){\longrightar[35]}~(116,58){r}~(c85,50;80;2){\bullet} (c85,36){3$-q}~(c165,36){3$q} (42,29){\underbrace{\line(32)}_{1$a^2/r\;\;\;}}~}[/tex]

Very cool. I like it. Doesn't work for dynamic publishing yet though.