Calculus is the canonical example of turning the impossible into the routine, and its ideas have nourished not only science, but economics, philosophy, and even literature, too. That's the case I ...

Some examples of graphs with corners which I talked about in lecture. The tangent line to a graph does not exist at a corner. Algebraic Simplification: 2.3: When computing the limit of a function at a ...

Some examples of graphs with corners which I talked about in lecture. The tangent line to a graph does not exist at a corner. Algebraic Simplification: 2.3: When computing the limit of a function at a ...