1. ## Question

If I'm understanding this, the purpose of LaTex is to allow the user to post in symbols such as superscripts, subscripts, sigma notation and the like, right?

2. Originally Posted by wonderboy1953
If I'm understanding this, the purpose of LaTex is to allow the user to post in symbols such as superscripts, subscripts, sigma notation and the like, right?
Correct.

$$\cup$$ gives $\cup$ is union
$$\cap$$ gives $\cap$ is intersection
$$\subseteq$$ gives $\subseteq$ is subset
$$\in$$ gives $\in$ is element
$$\emptyset$$ gives $\emptyset$ is emptyset
$$\wedge$$ gives $\wedge$ is or
$$\vee$$ gives $\vee$ is and
$$\sqrt{x+1}$$ gives $\sqrt{x+1}$