| Class | Description | 
| DataException | When input byte array is not packed decimal format or number to convert
 is not valid. | 
| DecimalOverflowException | When a number is too large to be stored in the number of bytes specified. | 
| FixedPointDivideException | When input number would not fit into long | 
| PackDec | Utility class to handle IBM System Z packed decimal data in Java. | 
| ZComp | Utility class to convert byte arrays representing binary numbers to and from Java short
 and int. | 
| ZoneDec | Utility class to handle IBM System Z zone decimal data in Java. |