[br]1) To explore this resource in GeoGebra Augmented Reality, you need a device that has [color=#9900ff]ARCore by Google[/color] [br] already installed on it. [url=https://play.google.com/store/apps/details?id=com.google.ar.core&hl=en]Here's the link to install it[/url] (if you have not yet done so). [br][br]2) Also be sure [color=#1e84cc]GeoGebra 3D Graphing Calculator[/color] is installed on your device. If you have not yet installed [br] it, [url=https://play.google.com/store/apps/details?id=org.geogebra.android.g3d]you can download it here[/url]. [br][br]3) Open up [color=#1e84cc]GeoGebra 3D Graphing Calculator[/color] on your device. [br][br]4) Go to the MENU (horizontal bars) in the upper left corner. Select OPEN. [br] In the Search GeoGebra Resources input box, type yt22anmh[br] (Note this is the resource ID = last 8 digits of the URL for this resource.)[br][br]5) In the resource that uploads to the [color=#1e84cc]GeoGebra 3D Graphing Calculator[/color], zoom in/out if needed.[br][br] Press the AR button in the lower right corner of your 3D screen. Follow the directions that appear. [br] For more info with respect to opening GeoGebra Augmented Reality, [url=https://www.geogebra.org/m/qbxbcmqw#material/xtehmt3r]click here[/url].