The iPhone's digital compass application works just like any magnetic-needle compass. Launch the application by tapping the "Compass" button on the iPhone's.
They don't, they're usually quite crappy and break easily when left too long out in the sun. If you plan on taking a hike with your digital compass watch, (makes sense, huh?) my advice is, DON'T.
Yes it will... Check out this video demo: http://www.phonesreview.co.uk/2009/04/11/video-nokia-n97-digital-compass-demo/
LCD screen, digital compass, and flashlight.what
To reset a Bell mirror-mounted digital compass, you can usually press and hold a specific button on the device for a few seconds until the display resets. Refer to the user manual of your specific model for detailed instructions on how to reset the digital compass.
A person could purchase a digital compass at any electronics store. Amazon sells digital compasses for between twenty and fifty dollars. You could also go to a local BestBuy and pick one up for around fifty dollars.
The La Crosse XG55 Digital Altimeter Compass Watch is water resistant to thirty feet or nine meters.
Leslie Lundquist has written: 'Digital Compass'
No compass can be accurate with steel structures in close vicinity but a GPS will do the trick
Get rid of the dial. Trust the digital hygrometer. If you have a large humidor get two.
here is the answer: http://mathforum.org/library/drmath/view/61130.html
Because he portable sundial does not work without a compass