Re:Decimal BASIC:a tool for calculation and investigation
by zozbot234 on Tuesday October 10, 2023 @10:15AM
(#37832405)
Oberon and the Plan 9 environment (which is inspired by Oberon) do it the other way around: you write something in a text editor and use a subsequent input (usually via the mouse) to execute it as a command.
It is not meant to scale to large projects, of course, but it provides a distractions-free learning experience.