An anthology for business majors, this course enriches and augments the techniques developed in MAT 120. Special attention is given to developing the topics using business examples and employing calculators and computer packages. Topics covered include matrices and their applications, an introduction to linear programming, the summation notations and an introduction to calculus applied to polynomials. (Students who have completed MAT 150 may not regiester for MAT 121.) Offered every semester.