... (sin, cos, tan, sinh, cosh, and tanh) to their inverse functions (sin -1 , cos -1 , tan -1 , sinh -1 , cosh -1 , and tanh -1 ). It also changes ln to log2, and ex to 2x. Tap 2nd again to ... App Store• Wi-FiWi-Fi settings determine whether iPhone uses local Wi-Fi networks to connect to the Internet. If no Wi-Fi networks are available, or you’ve turned Wi-Fi o, then iPhone connects ... designed to work with the iPhone headset jack or Dock Connector, such as Apple-branded earbuds or authorized third-party accessories marked with the Apple “Works with iPhone logo.You can adjust...