Index - F
| fail | Prelude, Core |
| False | Prelude, Core |
| Fancy | Prelude |
| fd | Extras.Turtle |
| first | Prelude |
| firstOfPair | Prelude |
| floor | Prelude |
| Font | Prelude |
| foreach | Extras.Util, Extras.Turtle |
| forloop | Extras.Util, Extras.Turtle |
| fromDouble | Prelude |
| fromInt | Prelude |
| fromInteger | Prelude, Core |
| fromOperator | Prelude |
| fromRational | Prelude, Core |
| fromString | Prelude, Core |