Hello Godfreysown.

A lot of people use LaTeX typesetting. For example, is given by \sqrt{3} (LaTeX expressions must be wrapped in [TEX] tags -- go to "Go Advanced" and click on . A full list of LaTeX symbols and commands can be found here: LaTeX:Symbols - AoPSWiki

As for the scaled by 4 question, I don't get it. Check your multiplication.

Best,

richard1234