Take notes and store them in the cloud -- use the same notes on multiple devices.
Create your own flashcards or use the millions of cards created by other students.
Plot and trace equations on a graph, on your phone! $1.99.
Another graphing calculator for $1.99.
Organize and manage your group's work.
Read Kindle books, magazines, textbooks and more.
Share and store files big and small in the cloud, for free.