Hi Candidate,
Vector calculus is the branch of Vector Mathematics which extends the notion of differentiation and integration in three dimensional space.
It is also referred as multi variable calculus which is used for Gravitational Field Problems, Electromagnetic Waves and othe fields which involves numerous dimensions of coordinate. The most important vector calculus includes topics such as Cartesian Formula, Plane and Line Geometry, and Vector Algebra.
Hope that this answer helps you.
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