The department of mathematics offers free walk in peer tutoring for mat 17 introduction to mathematics mat 40 geometry mat 45 women in mathematics mat 103 104 fundamentals of mathematics mat 105 college algebra mat 106 trigonometry mat 115 pre calculus mat 121 mathematics for business and information science mat 122 applied calculus mat 140 applied statistical. None of the courses listed above prepare you for mat 105. Precalculus mat 105 mat 121.