“Write a function clasifica(N) that uses case to determine whether N is positive, negative, or zero; test it with 18 (V = N - 20).”
Exercise 8 of 10 from the Erlang programming practice. This exercise was performed on an Ubuntu EC2 instance in AWS Academy, using the Erlang interactive shell (erl). It demonstrates the use of a case expression to classify a number as positive, negative, or zero.