# Overview - Lecture 1 --- Date: 20210524 Links to: [Discrete-Differential-Geometry-MOC](Discrete-Differential-Geometry-MOC.md) [Directional-Derivative](Directional-Derivative.md) References: * [Lecture 1 Video](https://youtu.be/8JCR6z3GLVI?list=PL9_jI1bdZmz0hIrNCMQW1YmZysAiIYSSS) * [Lecture 1 notes](https://brickisland.net/DDGSpring2021/wp-content/uploads/2021/02/DDG_01_Introduction.pdf)