What about vector calculus

It deals with several key operations:

• Differentiation of vectors: Calculating rates of change for vector-valued functions.
• Vector differential operators: Such as the gradient (measures the rate and direction of change of a scalar field), divergence (measures the outflow of a vector field from a point), and curl (measures the rotation of a vector field).
• Integration of vectors: Including line integrals (integrating along a curve), surface integrals (integrating over a surface), and volume integrals (integrating over a 3D region).

These tools are fundamental in physics and engineering, especially in fields like electromagnetism, fluid dynamics, and classical mechanics.