# Thread: Can someone help me to code?

1. ## Can someone help me to code?

I am trying to figure out how to write a set. This should be simple! I've got
S = {1,2,3,4}
and it won't work?

PS Oops. I guess it did. Sorry.

2. ## Re: Can someone help me to code?

$$S=\{1,2,3,4\}$$ gives $S=\{1,2,3,4\}$
Click on the “go advanced” tab. On the toolbar you will see $\boxed{\Sigma}$ clicking on that give the LaTeX wraps, . The code goes between them.