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1. Could I use an accelerometer to control a screen object? Could I use the accelerometer as a mouse to control movement of a point? Define a point, A, and use accelerometer sliders to move it around the screen.	Hint GeoGebra Input
2. Could I use a magnetometer as a Compass? Could I use the magnetometer to find bearings? Define a point, A, and use magnetometer sliders to move it around the origin - see if you can match the compass vector v.	Hint Hint Try for yourself...

  

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