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.
The PIN lock is an authentication measure for mobile phones that requires the entry of a personal identification number (PIN) code before a device can be used.Most mobile phone users lock their devices with PIN codes to prevent fraudulent use in case the phone set is lost or stolen.he PIN lock is an authentication measure for mobile phones that requires the entry of a personal identification number (PIN) code before a device can be used.