Index - R
| random | Parameter |
| randomAnimationOf | Extras.Cw |
| randomAutoSlideshow | Extras.Cw |
| randomBox | Extras.Widget |
| randomDrawingOf | Extras.Cw |
| randomized | Extras.Turtle |
| randomNumbers | Prelude |
| randomSlideshow | Extras.Cw |
| randomTracks | Extras.Turtle |
| rectangle | Prelude |
| recur | Extras.Util |
| recurWhile | Extras.Util |
| red | Prelude |
| reflected | Prelude |
| reflectedPoint | Prelude |
| remainder | Prelude |
| renamed | Parameter |
| repeat | Extras.Util, Extras.Turtle |
| repeated | Prelude |
| repeating | Prelude |
| repeatRandom | Extras.Turtle |
| repeatWhile | Extras.Util |
| rest | Prelude |
| reversed | Prelude |
| RGB | Prelude |
| rgb | Extras.Colors |
| RGBA | Prelude |
| rJustified | Extras.Util |
| rotated | Prelude |
| rotatedPoint | Prelude |
| rotatedVector | Prelude |
| rounded | Prelude |
| rt | Extras.Turtle |
| run | Extras.Util, Extras.Turtle |