1) Open up GeoGebra 3D app on your device. Press AR button to activate Augmented Reality. [br][br]2) Go to MENU. Select SEARCH. [br] Type [b]gagsx5fv[/b] access this resource right away. (Note how this ID can be found in this URL). [br][br]3) Note the sliders that exist in the algebra view. [br] [b][color=#9900ff]a = x coordinate[/color][br][/b] [b] [color=#38761d]b = y-coordinate[/color][br] [color=#ff7700]c = z-coordinate[/color][/b][br][br]4) Move the slider [b]plotpoint[/b] to plot the point (a, b, c). [br]