| E | The double double value of the base of natural logarithms. |
| NaN | The double double not-a-number value. |
| NegativeInfinity | The double double negative infinite value. |
| One | The double double number one. |
| Pi | The double double value of pi. |
| PositiveInfinity | The double double positive infinite value. |
| Zero | The double double number zero. |