Using symbols to express my problem here

1. Oct 23, 2007

randa177

Actually I am having a problem with inserting the symbols here. For example if I need to insert the greek letter beta I have to ensert :
[$$\beta$$
but what is " tex" ?

2. Oct 23, 2007

randa177

Oh, I got it,,, it apears here,,, oh,,, it was confusing,,, sorry1