lo 4.4 english vista
Shift+left click the cell, when the background turns grey, click again, hold left button down and move.
A trick I am using I select more than 1 cell, click in the grey area and move the cells.
I recommend to have a look at the free guides, which you can download from http://www.libreoffice.org/get-help/documentation/
After having written this answer I saw that you posted your question twice just different word. drag and drop calc cells
Thank you very much. It worked perfectly.