NOTICE: The preferred checkout is now at polar3d.com/premium. We ask that if you're paying by credit card, please sign in with the account you'd like to make premium and make a purchase there for better handling.
If you're an individual, library, school or entire district or university - the Polar Cloud helps you manage it all.
*Free 90 day trial* - contact firstname.lastname@example.org for more info. Please include school name, school website, and estimated enrollment #.