MacRumors published a guide about the Apple Pencil.
Everything You Need to Know About the Apple Pencil
Apple in 2015 unveiled the first iPad Pro, which came with an optional stylus called the Apple Pencil. Former Apple CEO Steve Jobs was famously against styluses, but the Apple Pencil has proven to be a useful tool for note taking, sketching, and more.
Everything You Need to Know About the Apple Pencil