Lockdown Math
A series of live-streamed lectures starting with foundational ideas in high school math, and exploring what interesting places they can lead to
![](https://img.youtube.com/vi/ppWPuXsnf1Q/maxresdefault.jpg)
Lockdown math announcementApr 16, 2020
![](https://img.youtube.com/vi/MHXO86wKeDY/maxresdefault.jpg)
The simpler quadratic formulaChapter 1Apr 17, 2020
![](https://img.youtube.com/vi/yBw67Fb31Cs/maxresdefault.jpg)
Trigonometry fundamentalsChapter 2Apr 21, 2020
![](https://img.youtube.com/vi/5PcpBw5Hbwo/maxresdefault.jpg)
Complex number fundamentalsChapter 3Apr 24, 2020
![](https://img.youtube.com/vi/ZxYOEwM6Wbk/maxresdefault.jpg)
What is Euler's formula actually saying?Chapter 4Apr 28, 2020
![](https://img.youtube.com/vi/IAEASE5GjdI/maxresdefault.jpg)
Imaginary interest ratesChapter 5May 1, 2020
![](https://img.youtube.com/vi/cEvgcoyZvB4/maxresdefault.jpg)
Logarithm FundamentalsChapter 6May 5, 2020
![](https://img.youtube.com/vi/4PDoT7jtxmw/maxresdefault.jpg)
What makes the natural log "natural"?Chapter 7May 8, 2020
![](https://img.youtube.com/vi/elQVZLLiod4/maxresdefault.jpg)
The power tower puzzleChapter 8May 12, 2020
![](https://img.youtube.com/vi/pq9LcwC7CoY/maxresdefault.jpg)
Intuition for i to the power iChapter 9May 15, 2020
![](https://img.youtube.com/vi/QvuQH4_05LI/maxresdefault.jpg)
Tips to be a better problem solverChapter 10May 22, 2020