# SafeMath, Overflow Checking, & More | Ultimate Web3 Solidity & Javascript Course | Lesson 4 Pt. 11

- Channel: [Chainlink San Francisco](https://streameth.org/chainlink-san-francisco)
- Date: 2022-10-24
- Watch: https://streameth.org/watch/yt-Wo9KZItMo9E
- YouTube: https://www.youtube.com/watch?v=Wo9KZItMo9E