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iPhone: The Missing Manual, 8th Edition by David Pogue

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Chapter 10. The Built-In Apps

Your Home screen comes already loaded with the icons of about 25 programs. These are the essentials; eventually, of course, you’ll fill that Home screen with apps you install yourself. The starter apps include gateways to the Internet (Safari), communications tools (Phone, Messages, Mail, Contacts), visual records of your life (Photos, Camera), shopping centers (iTunes, App Store), and entertainment (Music, Videos, Podcasts).

Those core apps get special treatment in the other chapters. This chapter covers the secondary programs, in alphabetical order: Calculator, Calendar, Clock, Compass, Game Center, Health, iBooks, Maps, Newsstand, Notes, Passbook, Podcasts, Reminders, Stocks, Tips, Voice Memos, and Weather.

Calculator

The iPhone wouldn’t be much of a computer without a calculator, now, would it? And here it is, your everyday calculator—with a secret twist.

Note

On a new iPhone, the Calculator sits in a folder called Extras. But it’s much faster to tell Siri, “Open the calculator” or to tap the Calculator button from the Control Center.

In Calculator’s basic four-function mode, you can tap out equations (like 15.4 x 300 =) to see the answer at the top. (You can paste things you’ve copied into here, too; just hold your finger down until the Paste button appears.) There’s no memory function in the basic calculator, but you do get a +/– button; its function is to change the currently displayed number from positive to negative, or vice versa.

Tip

When you tap ...

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