For the posts on calculus i, go to single variable calculus. In the following, we list the posts on multivariable calculus:

- Two-dimensional vectors and their addition and subtraction
- Three-dimensional vectors and their addition and subtraction
- Multiple of vectors by numbers
- Linear combination and linear independence of vectors
- Linear functions and their examples
- Norm and distance of vectors
- Dot product of vectors
- Finite-dimensional vectors
- Matrix operations
- Systems of linear equations
- Linear maps in vector spaces
- Norms of vector spaces
- Vector orthogonal projection
- Cross product
- Orthogonal subsets
- Basis for vector space and Gram-Schmidt process
- Column space and rank of a matrix
- Orthogonal complement
- Orthogonal projection
- 1-to-1 and onto linear maps
- Two-variable functions