Index - D
| delay | FRP.BearRiver, FRP.Yampa |
| derivative | FRP.BearRiver, FRP.Yampa |
| derivativeFrom | FRP.BearRiver, FRP.Yampa |
| distance | FRP.Yampa.AffineSpace, FRP.Yampa |
| dot | FRP.Yampa.VectorSpace, FRP.BearRiver, FRP.Yampa |
| dpSwitchB | FRP.BearRiver, FRP.Yampa |
| dSwitch | FRP.BearRiver, FRP.Yampa |
| DTime | FRP.BearRiver, FRP.Yampa |
| dup | FRP.BearRiver, FRP.Yampa |