| Area | src/Area.php | Provides a value object for area amounts. | 
          
                  | AreaUnit | src/AreaUnit.php | Provides area units. | 
          
                  | Calculator | src/Calculator.php | Provides helpers for bcmath-based arithmetic. | 
          
                  | Length | src/Length.php | Provides a value object for length amounts. | 
          
                  | LengthUnit | src/LengthUnit.php | Provides length units. | 
          
                  | Measurement | src/Measurement.php | Provides a base class for measurement value objects. | 
          
                  | MeasurementType | src/MeasurementType.php | Provides measurement types. | 
          
                  | NumberFormatter | src/NumberFormatter.php | Default number formatter. | 
          
                  | NumberFormatterInterface | src/NumberFormatterInterface.php | Allows parsing and formatting numbers using language-specific rules. | 
          
                  | Temperature | src/Temperature.php | Provides a value object for temperature amounts. | 
          
                  | TemperatureUnit | src/TemperatureUnit.php | Provides common temperature units. | 
          
                  | UnitInterface | src/UnitInterface.php | Provides the interface for unit classes. | 
          
                  | Volume | src/Volume.php | Provides a value object for volume amounts. | 
          
                  | VolumeUnit | src/VolumeUnit.php | Provides volume units. | 
          
                  | Weight | src/Weight.php | Provides a value object for weight amounts. | 
          
                  | WeightUnit | src/WeightUnit.php | Provides weight units. |