| Evaluator | Evaluates an expression string. |
| UnitCategories | Represents a collection of UnitCategory objects. |
| UnitCategory | The UnitCategory table Data Object. |
| UnitCategoryManager | Provides Table specific data manipulation methods. |
| UnitCategoryNameComparer | Sort and search on Name value. |
| UnitConversion | The UnitConversion table Data Object. |
| UnitConversionManager | Provides Table specific data manipulation methods. |
| UnitConversions | Represents a collection of UnitConversion objects. |
| UnitMeasure | The UnitMeasure table Data Object. |
| UnitMeasureManager | Provides Table specific data manipulation methods. |
| UnitMeasureManagers | Gets the Manager objects. |
| UnitMeasureNameComparer | Sort and search on Name value. |
| UnitMeasures | Represents a collection of UnitMeasure objects. |
| UnitSystem | The UnitSystem table Data Object. |
| UnitSystemManager | Provides Table specific data manipulation methods. |
| UnitSystemNameComparer | Sort and search on Name value. |
| UnitSystems | Represents a collection of UnitSystem objects. |
| UnitType | The UnitType table Data Object. |
| UnitTypeManager | Provides Table specific data manipulation methods. |
| UnitTypeNameComparer | Sort and search on Name value. |
| UnitTypes | Represents a collection of UnitType objects. |