> For the complete documentation index, see [llms.txt](https://s2.shizhz.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://s2.shizhz.me/s2e3.md).

# 3. 计算单元

- [3.1 二进制加法](https://s2.shizhz.me/s2e3/1.md)
- [3.2 补码](https://s2.shizhz.me/s2e3/2.md)
- [3.3 ALU](https://s2.shizhz.me/s2e3/3.md)