A functional language (ideally) allows you to write a mathematical function, i.e. a function that takes n arguments and returns a value. If the program is executed, this function is logically evaluated as needed.1 A procedural language, on the other hand, performs a series of sequential steps. (There’s a way of transforming sequential logic into … Read more
All of them are good in their own ways – They’re simply different approaches to the same problems. In a purely procedural style, data tends to be highly decoupled from the functions that operate on it. In an object oriented style, data tends to carry with it a collection of functions. In a functional style, … Read more
Background: You asked for a “simple explanation” which suggests: You want a no-nonsense overview without jargon You want something that will help you learn from the beginning You have discovered that no two people ever answer the question the same way, and it’s confusing. That’s the reason you are here asking for a simple explanation. … Read more