To login to the Library's computers, just enter your N number as your username and your Portal PIN as your password. To print a document, select print on the computer then go to a print release station. Enter your N # and PIN again and click print. Each student gets a $15 quota for printing each semester. Prints cost 10 cents a page or 15 cents for double sided. Color is 25 cents. If you need more, there are kiosks where you can add cash.