Your system defines what separators you have to use. If your system is not English, you have to use a comma as a de4cimal separator and a semicolon ; as a separator for the different sides. It may be a bit painful because on my keyboard, to access the semicolon, I have to press AltGr (or Alt+Ctrl) and Ctrl for instance is a modification key in a couple of cases. The same goes with the <> or [] brakets therefore I cannot move anything to absolute co-ordinates for instance.