> For the complete documentation index, see [llms.txt](https://gitbook-88.gitbook.io/ctf-writeup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-roarctf.md).

# 2019 RoarCTF

- [Easy Calc](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-roarctf/easy-calc.md)