**The recommended minimum requirements are**

1. Mathematics. One full year of calculus,

2. Physics. A year of calculus-based physics.

We also include related topics that are important in all branches of physics and engineering.

**YouTube Videos for the Chapter are below.**

**GR1-3. Curvilinear Coordinates**

**GR1-4. Curvilinear Coordinates**

**GR1-5. The Divergence Theorem**
**EMT-H1. Additional Video**

**GR1-6. Stoke's Theorem**
**EMT-H2. Additional Video**