Index - E
| eighth | Air.Light, Air.Env, Air |
| Either | Air.Env, Air |
| either | Air.Env, Air |
| elem | Air.Env, Air |
| encode | Air.SimpleMath |
| encodeFloat | Air.Env, Air |
| end | Air.Light, Air.Env, Air |
| ends_with | Air.Light, Air.Env, Air |
| Enum | Air.Env, Air |
| enumFrom | Air.Env, Air |
| enumFromThen | Air.Env, Air |
| enumFromThenTo | Air.Env, Air |
| enumFromTo | Air.Env, Air |
| EQ | Air.Env, Air |
| Eq | Air.Env, Air |
| eq | Air.Light, Air.Env, Air |
| error | Air.Env, Air |
| even | Air.Env, Air |
| execListBuilder | Air.Control.Monad.ListBuilder, Air.Env, Air |
| execObjectBuilder | Air.Control.Monad.ObjectBuilder, Air.Env, Air |
| exit_success | Air.Light, Air.Env, Air |
| exp | Air.Env, Air |
| explode | Air.SimpleMath |
| exponent | Air.Env, Air |