Khan Academy

Contour maps (K-A)

Multidimensional graphs (K-A)

Parametric functions, one parameter (K-A)

Parametric functions, two parameters (K-A)

Reduce reliance on graphs (K-A)

Transformations-link (K-A)

Vector fields (K-A)

What are multivariable functions? (K-A)

Contour plots (K-A)

Interpreting graphs with slices (K-A)

Introduction to 3d graphs (K-A)

Representing points in 3d (K-A)

3d vector field example (K-A)

3d vector fields, introduction (K-A)

Fluid flow and vector fields (K-A)

Parametric curves (K-A)

Parametric surfaces (K-A)

Vector fields, introduction (K-A)

2d curl example (K-A)

2d curl formula (K-A)

2d curl intuition (K-A)

2d curl nuance (K-A)

3d curl computation example (K-A)

3d curl formula, part 1 (K-A)

3d curl formula, part 2 (K-A)