Continuous compound interest and e

3 videos
This is an older tutorial (notice the low-res, bad handwriting) about one of the coolest numbers in reality and how it falls out of our innate desire to compound interest continuously.

e and compound interest

VIDEO 11:38 minutes
Sal introduces a very special number in the world of math (and beyond!), the constant e.

e as a limit

VIDEO 5:39 minutes
Sal continues the discussion on e, this time digging deeper into the mathematical definition of e.