| D# | NumHask.Prelude |
| D1 | NumHask.Prelude |
| Datatype | NumHask.Prelude |
| datatypeName | NumHask.Prelude |
| Deadlock | |
| 1 (Data Constructor) | NumHask.Prelude |
| 2 (Type/Class) | NumHask.Prelude |
| decodeFloat | NumHask.Prelude |
| decodeUtf8 | NumHask.Prelude |
| decodeUtf8' | NumHask.Prelude |
| decodeUtf8With | NumHask.Prelude |
| deepseq | NumHask.Prelude |
| denominator | NumHask.Prelude |
| Denormal | NumHask.Prelude |
| die | NumHask.Prelude |
| diff | NumHask.Prelude |
| digitToInt | NumHask.Prelude |
| Direction | NumHask.Analysis.Metric, NumHask, NumHask.Prelude |
| direction | NumHask.Analysis.Metric, NumHask, NumHask.Prelude |
| displayException | NumHask.Prelude |
| distance | NumHask.Analysis.Metric, NumHask, NumHask.Prelude |
| Distributive | NumHask.Algebra.Ring, NumHask, NumHask.Prelude |
| div | NumHask.Data.Integral, NumHask, NumHask.Prelude |
| DivideByZero | NumHask.Prelude |
| Divisive | NumHask.Algebra.Multiplicative, NumHask, NumHask.Prelude |
| DivisiveAction | NumHask.Algebra.Module, NumHask, NumHask.Prelude |
| divMod | NumHask.Data.Integral, NumHask, NumHask.Prelude |
| divZeroError | NumHask.Prelude |
| Double | NumHask.Prelude |
| Down | |
| 1 (Data Constructor) | NumHask.Prelude |
| 2 (Type/Class) | NumHask.Prelude |
| drop | NumHask.Prelude |
| dropWhile | NumHask.Prelude |
| Dual | |
| 1 (Data Constructor) | NumHask.Prelude |
| 2 (Type/Class) | NumHask.Prelude |
| dupChan | NumHask.Prelude |