| BuildUp | public | Build a Extended-sized floating point from its composing parts | 
| Exponent | public | Exponent of the floating-point value | 
| Fraction | public | Fraction of the floating-point value | 
| IsInfinity | public | Check whether a value is positive or negative infinity. | 
| IsNan | public | Check whether a value equals NaN. | 
| IsNegativeInfinity | public | Check whether a value is  negative infinity. | 
| IsPositiveInfinity | public | Check whether a value is positive infinity. | 
| Mantissa | public | Mantissa of the floating-point | 
| Parse | public | Convert a string to a floating point value | 
| Size | public | Size (in bytes) of a Extended-sized floating point value. | 
| SpecialType | public | Return the type of the Extended-sized floating point value | 
| ToString | public | Convert a Extended-sized floating point value to a string | 
| TryParse | public | Try to convert a string to a Extended-sized floating point value. |