> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfnote/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ret2basic.gitbook.io/ctfnote/computer-science/computer-systems/signedness.md).

# Signedness

## Motivation: Negative Numbers

## Two's Complement

## Overflow

## Underflow