gBASIC. `help` for prompt commands, `quit` to leave.
> 1 + 2
3
> 7 / 2
3.5
> 2 * 3 + 4
10
> len("Ada")
3
> "a" + "b"
ab
> print("hello")
hello
> ' the animal game
> quit
Your program was not saved; `recover` will bring it back next time.
