This lecture note is really good for
studying Multivariable calculus. This note contains the following subcategories Vectors in R3, Cylinders and Quadric Surfaces, Partial Derivatives,
Lagrange Multipliers, Triple Integrals, Line Integrals of Vector Fields ,
The Fundamental Theorem for Line Integrals ,Green’s Theorem , The Curl and
Divergence of a Vector Field, Oriented Surfaces , Stokes’ Theorem and The
Divergence Theorem