A process for extending the cognizable range of two-digit fixed-point number fields by encoding and decoding within existing size constraints of such fields in records and database segments stored with ASCII, EBCDIC and/or packed decimal representations in digital data processing systems, particularly...http://www.google.se/patents/US6003028?utm_source=gb-gplus-sharePatent US6003028 - Implementing extended numeric range within a two-digit software representation
