Or, "Lambda Calculus" isn't the name of an Engineering Frat.
It's true that FP articles and papers are hard to understand, but they don't have to be. The reasons for the knowledge gap are purely historical. There is nothing inherently hard about FP concepts. Consider this article "an accessible guide to FP", a bridge from our imperative minds into the world of FP. Grab a coffee and keep on reading. With any luck your coworkers will start making fun of you for your FP comments in no time.
So what is FP? How did it come about? Is it edible?
Defines what "Functional" programming is, lazy eval, closures, and the ever mysterious "lambda."