2. Multivariable calculus# This module covers topics in differential and integral multivariable calculus. 2.1. Functions 2.2. Limits 2.3. Derivatives 2.4. Total differential 2.5. Manipulating partial derivatives 2.6. Series expansion 2.7. Integration 2.8. Line integral 2.9. Surface integral 2.10. Volume integral 2.11. Integration theorems