Part I: Multivariable Integral Calculus
Lecture 8-10 (Triple integrals)
Part II: Matrices and Systems of Linear Equations
Part III: Second-Order Constant Coefficient O.D.E.
Online Notes (by Pichkitti Bannangkoon) – Sections 1.1, 3.2, 3.6.1, 3.7
Part IV: Fourier Series and Partial Differential Equations
Online Notes (by Pichkitti Bannangkoon) – Sections 8.1, 8.2, 8.3.1