Finch, as a substitute teacher, draws a circle on the board along with the symbol, Pi, and asks the class what it means. When a student asks what Pi is good for and when one would use it, he gives a compelling answer.

This clip explains the importance of constants: what they are and how they play a role in derivatives and integrals. This significant clip explains how to use integrals in an equation and on a graph while incorporating the logistical and necessary definition of constants. This uses visuals of a graph and numbers to form the equation and understanding of integrals, derivatives, and constants. Shini also explains initial value and position graphs.

In order to beat Dr. Strange, Spiderman uses geometry. He notices an Archimedes spiral and lists some geometric terms such as squaring the radius, dividing by Pi, and plotting points.

Bad Man challenges Sarah and Nico to add numbers with decimals up to the hundredths place. They walk through their process in a manner that is easy to follow and eventually calculate the correct answer. Before they start solving the problem, Bad Man reminds them to estimate so that they can quickly determine if they've gone astray.

The purpose of statistical inference.