| Rational | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| rational | Numeric.MixedTypes.Literals, MixedTypesNumPrelude |
| rationals | Numeric.MixedTypes.Literals, MixedTypesNumPrelude |
| Read | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| read | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| readFile | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| readIO | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| readList | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| readLn | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| readParen | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| ReadS | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| reads | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| readsPrec | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| Real | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| RealFloat | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| realToFrac | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| recip | Numeric.MixedTypes.Field, MixedTypesNumPrelude |
| repeat | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| replicate | Numeric.MixedTypes.Literals, MixedTypesNumPrelude |
| return | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| reverse | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| Right | Numeric.MixedTypes.PreludeHiding, MixedTypesNumPrelude |
| Ring | Numeric.MixedTypes.Ring, MixedTypesNumPrelude |
| round | Numeric.MixedTypes.Round, MixedTypesNumPrelude |