Penultimate is mostly used to take notes on an electronic device and draw graphs and illustrations. This app can easily be synced with Dropbox and lowers the risk of losing physical notes and allowing students so sync all their notes to multiple devices. It is also much easier to email or share notes with fellow students. In addition, student need not carry many files/books around with them. They simply need a tablet to use this app and have all their notes in one place.