An introduction to the incredible applications of the Fundamental Theorem of Calculus.

Other great resources on the topic:

vcubingx Green's Theorem:    • Green's Theorem, explained visually  
3Blue1Brown Divergence and Curl:    • Divergence and curl:  The language of...  
Steve Brunton Stoke's and Green's Theorem:    • Stokes' Theorem and Green's Theorem  
Using Green's Theorem to find area: https://mathinsight.org/greens_theore...