This course provides students with the basic tools to model dynamic situations in the social and physical sciences. The first part of the course discusses applications to derivatives and integrals, optimization in one and two variables and basic linear algebra. The second half of the course examines systems of difference and differential equations. The focus of the course throughout will be on applications to economics and natural phenomena. This course is a requirement for the Economics major and satisfies the second math requirement or the Intermediate requirement for the Interdisciplinary Science major. It is offered every Fall. Prerequisites: Students should have some experience with Calculus. NOTE: Students who register for the UG section will earn undergraduate credit at the completion of the course. Students wishing to earn Graduate credit must register for the graduate section of the course.