Resident Hall Tutoring Centers: NIU has free general tutoring centers around campus. Click here to find out more information.
PAL: Peer assisted tutoring is a free service offered to NIU students. You receive 1-1 tutoring from an undergraduate who previously passed the math course (usually a math major). Click here for more infromation.
You will find countless math tutorials on YouTube.
KhanAcademy: Online videos from basic algebra to calculus and statistic
PatrickJMT: Online math videos from arithmetic to calculu
Math TV: A collection of 3-5 minute video lectures on most topics from algebra to caclulus
Wolfram Alpha: An online search engine that includes information on math and statistics