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description to make more parallel with x-axis, y-axis
The '''z-axis''' is the [[axis]] that comes out of the page. It gives the world a third [[dimension]], [[depth]].
The '''z-axis''' is the [[axis]] that comes out of the page. It gives the world a third [[dimension]], [[depth]]. If the [[x-axis]] and [[y-axis]] were arranged on your computer screen in the usual way (as illustrated in their respective articles), the z-axis would be a line pointing directly out of the screen.
==See also==
==See also==