B - complex numbers

PX153 - B1 - basic operations and the argand diagram
PX153 - B2 - polar representation
PX153 - B3 - de moivre's theorem
PX153 - B4 - application - first look at smh
PX153 - B5 - application - describing damped smh
PX153 - B5.1 - underdamping
PX153 - B5.2 - overdamping
PX153 - B5.3 - critical damping