Use iPhone's Notes app collaborative feature to send private messages that look like regular note-taking to anyone watching your screen.

The main way to get to Math Notes is through the Notes app on your iPhone, iPad, or Mac. You can also access it through the Calculator app: Tap or click the calculator icon in the lower left ...

It's easy to draw on your iPhone with the Markup tool in your Photos or Notes app. Here's what you need to know to do it.

I stopped using an extra app for private conversations. Instead I use my iPhone's Notes app. Here's how it works.

Create private chat rooms using the iPhone Notes app collaboration feature with instant messaging capabilities and full control over conversation privacy.

It can take a lot of effort to look effortless. If you're looking for a way to organize your outfits, try creating a digital lookbook on your iPhone Notes app.

And the best thing about the iPhone Notes app is that there are companion Notes apps on the Mac and iPad – and your notes are synced across all of them. That means that you can begin taking a note on ...

The next easiest way to Undo in Notes is to give your iPhone or iPad a shake. Shaking will create a pop-up asking to confirm that you want to Undo Typing, which you can confirm by tapping Undo.

Don't want others to see your notes? Kurt "The CyberGuy" Knutsson shares tips on how to keep your iPhone notes private and secured from unwanted snoopers.

You can scan documents using the Notes app! That's right — you can scan and save important documents such as checks, legal documents, and photos without having to track down the nearest scanner.