How to Use NFC Tag to Unlock Android Lollipop Devices
On the Android Lollipop phones and tablets you can easily tap your device to an NFC tag to unlock it, thanks to the smart lock feature. To unlock ...
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How to Enable Scientific Calculator on Galaxy S3
At the first look, the default calculator of your Galaxy device, is a simple calculator with some general operations. If you want to turn it to a scientific calculator, you just need to rotate your device to left or right, while the application is open.
As you see, you are able to use more functions such as Log, Ln, Sin, Cos, Tan, X! and more...
** To enable Screen Rotation, drag down the notification bar and make sure "Screen Rotation" is active.
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