Functional reactive programming is a programming paradigm for reactive programming in a functional programming setting.^[1] A programming paradigm is a paradigmatic style of programming (compare with a methodology, which is a paradigmatic style of doing software engineering). ... Functional programming is a programming paradigm that conceives computation as the evaluation of mathematical functions and avoids state and mutable data. ...

One key point (usenet discussion) seems to be that input is viewed as a "behavior" or time-varying stream of events.

External links

• Haskell related FRP research
• FrTime, a PLT Scheme implementation
• flapjax, a pair of implementations for JavaScript. (One is a javascript library, the other compiles to plain javascript.)