hey everyone, grant here, this is the first video in a series on the essence of calculus, and I’ll be publishing the following videos once per day for the next 10 days. the goal here, as the name suggests, is to really get the heart of the subject out in one binge watchable set. but with a topic that’s as broad as calculus. There’s a lot of things that can mean. so, here’s what I’ve in my mind specifically. calculus has a lot of rules and formulas which are often presented as things to be memorized. Lots of derivative formulas, the product rule, the chain rule, implicit differentiation,