You can use WhatsApp on an iPhone to send messages, share photos or videos, make calls, and more. Here's what you need to ...

Unless everyone is using iMessage, there's no way to remove yourself from a group text — you'll need to mute or block it.

Messages can solve simple math equations like "2+2=" by typing them into the text field. The app can also solve equations that use more complex formulas, such as the trigonometric functions of sine, ...