| Ramp | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Rand | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Rand2 | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| RandRange | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Rate | Sound.SC3.UGen.Rate, Sound.SC3.UGen, Sound.SC3 |
| RatioMIDI | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Recip | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| RectWindow | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| RemoveSynth | Sound.SC3.UGen.Enum, Sound.SC3.UGen, Sound.SC3 |
| Ring1 | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Ring2 | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Ring3 | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Ring4 | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| Round | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| RoundUp | Sound.SC3.UGen.Operator, Sound.SC3.UGen, Sound.SC3 |
| radiansPerSample | Sound.SC3.UGen.Information, Sound.SC3.UGen, Sound.SC3 |
| rand |
| 1 (Function) | Sound.SC3.UGen.Noise.Base |
| 2 (Function) | Sound.SC3.UGen.Noise.Monadic, Sound.SC3.UGen, Sound.SC3 |
| randRange | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| rateId | Sound.SC3.UGen.Rate, Sound.SC3.UGen, Sound.SC3 |
| ratioMIDI | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| recordBuf | Sound.SC3.UGen.Buffer, Sound.SC3.UGen, Sound.SC3 |
| replaceOut | Sound.SC3.UGen.IO, Sound.SC3.UGen, Sound.SC3 |
| reset | Sound.SC3.Server.Play, Sound.SC3.Server, Sound.SC3 |
| resonz | Sound.SC3.UGen.Filter, Sound.SC3.UGen, Sound.SC3 |
| rhpf | Sound.SC3.UGen.Filter, Sound.SC3.UGen, Sound.SC3 |
| ring1 | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| ring2 | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| ring3 | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| ring4 | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| ringz | Sound.SC3.UGen.Filter, Sound.SC3.UGen, Sound.SC3 |
| rlpf | Sound.SC3.UGen.Filter, Sound.SC3.UGen, Sound.SC3 |
| rotate2 | Sound.SC3.UGen.Panner, Sound.SC3.UGen, Sound.SC3 |
| roundE | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| roundUp | Sound.SC3.UGen.Math, Sound.SC3.UGen, Sound.SC3 |
| runningMax | Sound.SC3.UGen.Filter, Sound.SC3.UGen, Sound.SC3 |
| runningMin | Sound.SC3.UGen.Filter, Sound.SC3.UGen, Sound.SC3 |
| runningSum | Sound.SC3.UGen.Filter, Sound.SC3.UGen, Sound.SC3 |
