Explaining functional programming to object-oriented programmers and less technical people

Question

What are some good examples that I can use to explain functional programming?

The audience would be people with little programming experience, or people who only have ob

Answer 1

New answer. This will work for both non-programming power users and OO programmers.

Point out that Excel is functional.

Each cell in a spreadsheet is a variable that contains a function which declares a relationship between other cells/variables.