Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes a...
But maybe you're not sure exactly what that means. An unlocked cell phone is one that is not tied into a certain carrier's network: It will work with more than one service provider. Most cell phones and smartphones are tiedâor lockedâto a certain cellular carrier, such as Verizon Wireless, T-Mobile, AT&T, or Sprint.
A higher price typically accompanies an unlocked phone, but that does not necessarily mean that unlocked phones are better. Unlocking a phone requires technical skill and knowledge, and spending a little extra money on an unlocked phone may be worthwhile if there is some possibility that you might switch phone carriers.