| Clue | Source | Date |
|---|---|---|
| Binary | New York Times | 24 Mar 2024 |
| Binary system | Thomas Joseph | 03 Dec 2021 |
| Binary | New York Times | 14 Aug 2021 |
| System used in computer code | New York Times | 26 Jul 2020 |
| Binary system | Thomas Joseph | 23 May 2020 |
| System used for computer code | New York Times | 17 Nov 2018 |
| System used for computer code | ||
| Computer code system | Wall Street Journal | 01 Dec 2017 |
| Binary | Jonesin | 16 Aug 2016 |
| Number system with only 0's and 1's | ||
| Binary |