To find the symbol for pi and have an easier time typing it on your iPhone, you'd have to add the Greek keyboard to your mobile device.Here's how: Launch the Settings app. Go to General. Select ...

Now, go to the Insert tab and click on the Symbol drop-down button. ... To quickly insert musical notes into your Word document, you can assign a custom shortcut key for each symbol.

Pressing the fn button with the F keys will typically enable them to work. These 11 other keyboard shortcuts will make your life easier, too. Here’s the answer to the mystery of those function keys.