Modular Multiplication is just Modular Addition
![](https://i.ytimg.com/vi/8zD6sxhpvLc/mqdefault.jpg)
23:39
Graphing the Groups of Units
![](https://i.ytimg.com/vi/S10NUQ7thUA/mqdefault.jpg)
25:08
Fixing the Two-Body Problem | Delay Differential Equations
![](https://i.ytimg.com/vi/p670eOgxHSE/mqdefault.jpg)
5:21
Grings - integral by substitution
![](https://i.ytimg.com/vi/bOXCLR3Wric/mqdefault.jpg)
34:36
Olympiad level counting (Generating functions)
![](https://i.ytimg.com/vi/PkWY3fLy4oI/mqdefault.jpg)
12:29
Gaussian Primes Visually
![](https://i.ytimg.com/vi/tRaq4aYPzCc/mqdefault.jpg)
33:06
Something Strange Happens When You Keep Squaring
![](https://i.ytimg.com/vi/dYj0rPQeRkA/mqdefault.jpg)
13:53
The Rubik's Cube is a Calculator
![](https://i.ytimg.com/vi/b3G5Gi4suHs/mqdefault.jpg)
27:26