Notes
The Notes app is the iPhone's answer to a word processor. It's simple in the extreme—there's no formatting, for example; let's hope you love that Marker Felt font. Still, it's nice to be able to jot down lists, reminders, and brainstorms. (You can email them to yourself when you're finished—or sync them right to your Mac or PC's email program.)
The first time you open Notes, you see what looks like a yellow, lined legal pad. Tap on the lines to make the keyboard appear so you can begin typing.
Tip
Turn the iPhone! This is one of the blessed apps where you can get a much larger, widescreen keyboard by rotating the phone 90 degrees counterclockwise.

When you're finished with a note for now, tap Done. The keyboard goes away, and a
button appears at the top right. It opens a new note.
Whenever you put away the keyboard by tapping Done, a handy row of icons appears at the bottom of your Notes page. The rundown:
,
. These buttons let you skip to the previous or next page without
requiring a detour to the master Notes list.. Tap to send your note by email to someone. The iPhone creates a new ...
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