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.
In other instances, the phone may be designed in such a way that it is impossible to use it with another network, with some companies manufacturing specific phones for particular networks. In contrast, an unlocked phone can be used on any carrier that permits customers to use unlocked phones. The definition of a âsmartphoneâ is, unfortunately, a bit more complicated than the definition of an unlocked phone. Smartphones are cell phones that offer additional features that differentiate them from conventional cell phones.