thanks, under which tab of preferencies panel? sorry, but I really can't find it.

Hi, I a newbie question, that is anyway really making me mad about it: I create shapes, ie squares, then on the top bar I insert manually the position (x and Y) and seize (x and y) since I nedd precise values for my shapes, I am making a vector file for a laser cutter. But here comes the problem: if...