N. P. O'Donnell, 2023
On Linux, Hold ctrl + shift + u at the same time, release all 3, then type the 4 hex characters of the character you'd like.
| Character | Code |
|---|---|
| M-dash (―) | 2016 |
| N-dash (–) | 2013 |
| Plus-minus (±) | 00B1 |
| Multiply (x) | 0078 |
| Multiply (⋅) | 22C5 |
| Big Delta (∆) | 2206 |
| Copyright (©) | 00A9 |