1. Review of first-order linear differential equations -- Cases where the coefficient of y is constant --
2. Using first-order linear differential equations -- Falling body subject to viscous damping -- Newton's law of cooling -- A mixing problem -- Simple electrical circuits --
3. Using separation of variables to solve non-linear differential equations --
4. Solving problems with separable -- Differential equations -- Newtonian damping -- The logistic equation -- The hanging cable --