Linux has a built-in keyboard that's easy enough to configure in your DE or with an X keyboard toggle. Dyalog has some introductory documentation on how to set

Linux has a built-in keyboard that's easy enough to configure in your DE or with an X keyboard toggle. Dyalog has some introductory documentation on how to set up the mappings. https://www.dyalog.com/apl-font-keyboard.htm https://www.dyalog.com/apl-font-keyboard.htm If you want to type something very small, you could also go to tryapl.org and use the on-screen keyboard and copy and paste.