pixel^(-2) is "per squared pixel". Analogously, 1 pascal = 1 newton / 1 metre^2....

		nayuki 4 months ago \| parent \| context \| favorite \| on: Pixel is a unit of length and area pixel^(-2) is "per squared pixel". Analogously, 1 pascal = 1 newton / 1 metre^2. (Pressure is force per squared length.)