The Prime has enhanced sound quality and an integrated LED light for reading and grading papers.

FORBES: Kristine Pearson on the Founding and Future of Lifeline Energy

But grading papers often represents the beginning of a good exchange.

CNN: How grading software fails students

As the story goes, Tokien was grading a pile of exam papers.

FORBES: "In a Hole in the Ground There Lived a Hobbit": Books for Bilbo's Screen Appearance!

For some courses, papers or projects are assessed through a peer grading system.

CNN: Top college courses, for free?

Mr Andrews ordered that papers be regraded and he has since set a new Wales-only grading system for the subject to avoid a repeat of the row.

BBC: Exams in progress sign