LaTeX.org

Hi,

By default, the code in a program listing is left alignment. I wonder how to make the code center.

Are these packages all included in lyx? If not, how can I invoke them?

I want to make a paragraph in two parallel columns. Is there any means to achieve the goal?

Thank you very much.

Hi,

In lyx, I have inserted a picture by calling menu "insert -> graphics". By default, the picture aligns left. I wonder how to make it aligning center. Thanks.