Markdown jest, ale czy jest LaTeX?
$$u(t)=K_p e(t) + K_i \int_0^t e(\xi) d\xi + K_d \frac{de(t)}{dt}$$
@sens: ale lipa
@sens: we are english site speak english
@Pherun: LaTeX, motherfucker, do you speak it?
@sens: sodomy and gomorry
