I was taking a look at WolframEngine. The fact that it is freely available, virtually making Wolfram tools and language accessible to anybody is very much attractive! Nevertheless, the first impact when running the SW is pretty awful. Is there any beginners guide? I find it rather not so intuitive. For instance, is there a possibility to write down scripts and run them as if they were nb? I tried plotting a simple function with Plot and it returned a rather funny message:
What was it trying to tell me?