In a lot of questions there is, $\displaystyle \lim_{x \to 0^{+}}$.

I know this means as $\displaystyle x$ tends towards zero positive, but I can't remember whether this means $\displaystyle x$ is going from $\displaystyle +\infty \to 0$ or from $\displaystyle -\infty \to 0$?

Thanks in advance.