I remember typing in games on the TI-99/4A without understanding how to edit a program in TI Basic. If I mistyped I couldn't go back and edit the line so was sc

I remember typing in games on the TI-99/4A without understanding how to edit a program in TI Basic. If I mistyped I couldn't go back and edit the line so was screwed. With some guidance back in the day I would have had a lot more fun.